ARM TCG conversion 7/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4144 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook
parent
3670669ce2
commit
6ddbc6e4cf
@ -1922,3 +1922,248 @@ void cpu_arm_set_cp_io(CPUARMState *env, int cpnum,
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}
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#endif
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/* Note that signed overflow is undefined in C. The following routines are
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careful to use unsigned types where modulo arithmetic is required.
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Failure to do so _will_ break on newer gcc. */
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/* Signed saturating arithmetic. */
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/* Perform 16-bit signed satruating addition. */
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static inline uint16_t add16_sat(uint16_t a, uint16_t b)
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{
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uint16_t res;
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res = a + b;
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if (((res ^ a) & 0x8000) && !((a ^ b) & 0x8000)) {
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if (a & 0x8000)
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res = 0x8000;
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else
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res = 0x7fff;
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}
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return res;
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}
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/* Perform 8-bit signed satruating addition. */
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static inline uint8_t add8_sat(uint8_t a, uint8_t b)
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{
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uint8_t res;
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res = a + b;
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if (((res ^ a) & 0x80) && !((a ^ b) & 0x80)) {
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if (a & 0x80)
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res = 0x80;
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else
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res = 0x7f;
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}
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return res;
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}
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/* Perform 16-bit signed satruating subtraction. */
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static inline uint16_t sub16_sat(uint16_t a, uint16_t b)
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{
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uint16_t res;
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res = a - b;
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if (((res ^ a) & 0x8000) && ((a ^ b) & 0x8000)) {
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if (a & 0x8000)
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res = 0x8000;
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else
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res = 0x7fff;
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}
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return res;
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}
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/* Perform 8-bit signed satruating subtraction. */
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static inline uint8_t sub8_sat(uint8_t a, uint8_t b)
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{
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uint8_t res;
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res = a - b;
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if (((res ^ a) & 0x80) && ((a ^ b) & 0x80)) {
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if (a & 0x80)
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res = 0x80;
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else
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res = 0x7f;
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}
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return res;
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}
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#define ADD16(a, b, n) RESULT(add16_sat(a, b), n, 16);
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#define SUB16(a, b, n) RESULT(sub16_sat(a, b), n, 16);
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#define ADD8(a, b, n) RESULT(add8_sat(a, b), n, 8);
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#define SUB8(a, b, n) RESULT(sub8_sat(a, b), n, 8);
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#define PFX q
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#include "op_addsub.h"
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/* Unsigned saturating arithmetic. */
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static inline uint16_t add16_usat(uint16_t a, uint8_t b)
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{
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uint16_t res;
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res = a + b;
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if (res < a)
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res = 0xffff;
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return res;
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}
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static inline uint16_t sub16_usat(uint16_t a, uint8_t b)
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{
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if (a < b)
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return a - b;
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else
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return 0;
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}
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static inline uint8_t add8_usat(uint8_t a, uint8_t b)
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{
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uint8_t res;
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res = a + b;
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if (res < a)
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res = 0xff;
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return res;
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}
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static inline uint8_t sub8_usat(uint8_t a, uint8_t b)
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{
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if (a < b)
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return a - b;
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else
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return 0;
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}
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#define ADD16(a, b, n) RESULT(add16_usat(a, b), n, 16);
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#define SUB16(a, b, n) RESULT(sub16_usat(a, b), n, 16);
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#define ADD8(a, b, n) RESULT(add8_usat(a, b), n, 8);
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#define SUB8(a, b, n) RESULT(sub8_usat(a, b), n, 8);
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#define PFX uq
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#include "op_addsub.h"
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/* Signed modulo arithmetic. */
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#define SARITH16(a, b, n, op) do { \
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int32_t sum; \
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sum = (int16_t)((uint16_t)(a) op (uint16_t)(b)); \
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RESULT(sum, n, 16); \
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if (sum >= 0) \
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ge |= 3 << (n * 2); \
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} while(0)
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#define SARITH8(a, b, n, op) do { \
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int32_t sum; \
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sum = (int8_t)((uint8_t)(a) op (uint8_t)(b)); \
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RESULT(sum, n, 8); \
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if (sum >= 0) \
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ge |= 1 << n; \
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} while(0)
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#define ADD16(a, b, n) SARITH16(a, b, n, +)
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#define SUB16(a, b, n) SARITH16(a, b, n, -)
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#define ADD8(a, b, n) SARITH8(a, b, n, +)
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#define SUB8(a, b, n) SARITH8(a, b, n, -)
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#define PFX s
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#define ARITH_GE
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#include "op_addsub.h"
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/* Unsigned modulo arithmetic. */
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#define ADD16(a, b, n) do { \
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uint32_t sum; \
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sum = (uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b); \
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RESULT(sum, n, 16); \
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if ((sum >> 16) == 0) \
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ge |= 3 << (n * 2); \
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} while(0)
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#define ADD8(a, b, n) do { \
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uint32_t sum; \
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sum = (uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b); \
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RESULT(sum, n, 8); \
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if ((sum >> 8) == 0) \
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ge |= 3 << (n * 2); \
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} while(0)
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#define SUB16(a, b, n) do { \
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uint32_t sum; \
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sum = (uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b); \
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RESULT(sum, n, 16); \
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if ((sum >> 16) == 0) \
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ge |= 3 << (n * 2); \
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} while(0)
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#define SUB8(a, b, n) do { \
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uint32_t sum; \
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sum = (uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b); \
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RESULT(sum, n, 8); \
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if ((sum >> 8) == 0) \
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ge |= 3 << (n * 2); \
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} while(0)
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#define PFX u
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#define ARITH_GE
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#include "op_addsub.h"
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/* Halved signed arithmetic. */
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#define ADD16(a, b, n) \
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RESULT(((int32_t)(int16_t)(a) + (int32_t)(int16_t)(b)) >> 1, n, 16)
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#define SUB16(a, b, n) \
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RESULT(((int32_t)(int16_t)(a) - (int32_t)(int16_t)(b)) >> 1, n, 16)
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#define ADD8(a, b, n) \
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RESULT(((int32_t)(int8_t)(a) + (int32_t)(int8_t)(b)) >> 1, n, 8)
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#define SUB8(a, b, n) \
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RESULT(((int32_t)(int8_t)(a) - (int32_t)(int8_t)(b)) >> 1, n, 8)
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#define PFX sh
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#include "op_addsub.h"
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/* Halved unsigned arithmetic. */
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#define ADD16(a, b, n) \
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RESULT(((uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b)) >> 1, n, 16)
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#define SUB16(a, b, n) \
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RESULT(((uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b)) >> 1, n, 16)
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#define ADD8(a, b, n) \
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RESULT(((uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b)) >> 1, n, 8)
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#define SUB8(a, b, n) \
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RESULT(((uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b)) >> 1, n, 8)
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#define PFX uh
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#include "op_addsub.h"
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static inline uint8_t do_usad(uint8_t a, uint8_t b)
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{
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if (a > b)
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return a - b;
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else
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return b - a;
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}
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/* Unsigned sum of absolute byte differences. */
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uint32_t HELPER(usad8)(uint32_t a, uint32_t b)
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{
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uint32_t sum;
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sum = do_usad(a, b);
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sum += do_usad(a >> 8, b >> 8);
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sum += do_usad(a >> 16, b >>16);
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sum += do_usad(a >> 24, b >> 24);
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return sum;
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}
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/* For ARMv6 SEL instruction. */
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uint32_t HELPER(sel_flags)(uint32_t flags, uint32_t a, uint32_t b)
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{
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uint32_t mask;
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mask = 0;
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if (flags & 1)
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mask |= 0xff;
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if (flags & 2)
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mask |= 0xff00;
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if (flags & 4)
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mask |= 0xff0000;
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if (flags & 8)
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mask |= 0xff000000;
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return (a & mask) | (b & ~mask);
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}
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@ -1,4 +1,4 @@
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#define DEF_HELPER(name, ret, args) ret helper_##name args;
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#define DEF_HELPER(name, ret, args) ret glue(helper_,name) args;
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#ifdef GEN_HELPER
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#define DEF_HELPER_1_1(name, ret, args) \
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@ -13,10 +13,18 @@ static inline void gen_helper_##name(TCGv ret, TCGv arg1, TCGv arg2) \
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{ \
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tcg_gen_helper_1_2(helper_##name, ret, arg1, arg2); \
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}
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#define DEF_HELPER_1_3(name, ret, args) \
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DEF_HELPER(name, ret, args) \
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static inline void gen_helper_##name(TCGv ret, \
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TCGv arg1, TCGv arg2, TCGv arg3) \
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{ \
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tcg_gen_helper_1_3(helper_##name, ret, arg1, arg2, arg3); \
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}
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#else /* !GEN_HELPER */
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#define DEF_HELPER_1_1 DEF_HELPER
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#define DEF_HELPER_1_2 DEF_HELPER
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#define HELPER(x) helper_##x
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#define DEF_HELPER_1_3 DEF_HELPER
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#define HELPER(x) glue(helper_,x)
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#endif
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DEF_HELPER_1_1(clz, uint32_t, (uint32_t))
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@ -33,6 +41,40 @@ DEF_HELPER_1_2(sdiv, int32_t, (int32_t, int32_t))
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DEF_HELPER_1_2(udiv, uint32_t, (uint32_t, uint32_t))
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DEF_HELPER_1_1(rbit, uint32_t, (uint32_t))
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#define PAS_OP(pfx) \
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DEF_HELPER_1_3(pfx ## add8, uint32_t, (uint32_t, uint32_t, uint32_t *)) \
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DEF_HELPER_1_3(pfx ## sub8, uint32_t, (uint32_t, uint32_t, uint32_t *)) \
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DEF_HELPER_1_3(pfx ## sub16, uint32_t, (uint32_t, uint32_t, uint32_t *)) \
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DEF_HELPER_1_3(pfx ## add16, uint32_t, (uint32_t, uint32_t, uint32_t *)) \
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DEF_HELPER_1_3(pfx ## addsubx, uint32_t, (uint32_t, uint32_t, uint32_t *)) \
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DEF_HELPER_1_3(pfx ## subaddx, uint32_t, (uint32_t, uint32_t, uint32_t *))
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PAS_OP(s)
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PAS_OP(u)
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#undef PAS_OP
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#define PAS_OP(pfx) \
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DEF_HELPER_1_2(pfx ## add8, uint32_t, (uint32_t, uint32_t)) \
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DEF_HELPER_1_2(pfx ## sub8, uint32_t, (uint32_t, uint32_t)) \
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DEF_HELPER_1_2(pfx ## sub16, uint32_t, (uint32_t, uint32_t)) \
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DEF_HELPER_1_2(pfx ## add16, uint32_t, (uint32_t, uint32_t)) \
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DEF_HELPER_1_2(pfx ## addsubx, uint32_t, (uint32_t, uint32_t)) \
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DEF_HELPER_1_2(pfx ## subaddx, uint32_t, (uint32_t, uint32_t))
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PAS_OP(q)
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PAS_OP(sh)
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PAS_OP(uq)
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PAS_OP(uh)
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#undef PAS_OP
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DEF_HELPER_1_2(ssat, uint32_t, (uint32_t, uint32_t))
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DEF_HELPER_1_2(usat, uint32_t, (uint32_t, uint32_t))
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DEF_HELPER_1_2(ssat16, uint32_t, (uint32_t, uint32_t))
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DEF_HELPER_1_2(usat16, uint32_t, (uint32_t, uint32_t))
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DEF_HELPER_1_2(usad8, uint32_t, (uint32_t, uint32_t))
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DEF_HELPER_1_3(sel_flags, uint32_t, (uint32_t, uint32_t, uint32_t))
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#undef DEF_HELPER
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#undef DEF_HELPER_1_1
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#undef DEF_HELPER_1_2
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321
target-arm/op.c
321
target-arm/op.c
@ -805,327 +805,6 @@ void OPPROTO op_movl_user_T0(void)
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FORCE_RET();
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}
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/* ARMv6 Media instructions. */
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/* Note that signed overflow is undefined in C. The following routines are
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careful to use unsigned types where modulo arithmetic is required.
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Failure to do so _will_ break on newer gcc. */
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/* Signed saturating arithmetic. */
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/* Perform 16-bit signed satruating addition. */
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static inline uint16_t add16_sat(uint16_t a, uint16_t b)
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{
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uint16_t res;
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res = a + b;
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if (((res ^ a) & 0x8000) && !((a ^ b) & 0x8000)) {
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if (a & 0x8000)
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res = 0x8000;
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else
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res = 0x7fff;
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}
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return res;
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}
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/* Perform 8-bit signed satruating addition. */
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static inline uint8_t add8_sat(uint8_t a, uint8_t b)
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{
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uint8_t res;
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res = a + b;
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if (((res ^ a) & 0x80) && !((a ^ b) & 0x80)) {
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if (a & 0x80)
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res = 0x80;
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else
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res = 0x7f;
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}
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return res;
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}
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/* Perform 16-bit signed satruating subtraction. */
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static inline uint16_t sub16_sat(uint16_t a, uint16_t b)
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{
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uint16_t res;
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res = a - b;
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if (((res ^ a) & 0x8000) && ((a ^ b) & 0x8000)) {
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if (a & 0x8000)
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res = 0x8000;
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else
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res = 0x7fff;
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}
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return res;
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}
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/* Perform 8-bit signed satruating subtraction. */
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static inline uint8_t sub8_sat(uint8_t a, uint8_t b)
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{
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uint8_t res;
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res = a - b;
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if (((res ^ a) & 0x80) && ((a ^ b) & 0x80)) {
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if (a & 0x80)
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res = 0x80;
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else
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res = 0x7f;
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}
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return res;
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}
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#define ADD16(a, b, n) RESULT(add16_sat(a, b), n, 16);
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#define SUB16(a, b, n) RESULT(sub16_sat(a, b), n, 16);
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#define ADD8(a, b, n) RESULT(add8_sat(a, b), n, 8);
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#define SUB8(a, b, n) RESULT(sub8_sat(a, b), n, 8);
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#define PFX q
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#include "op_addsub.h"
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/* Unsigned saturating arithmetic. */
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static inline uint16_t add16_usat(uint16_t a, uint8_t b)
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{
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uint16_t res;
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res = a + b;
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if (res < a)
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res = 0xffff;
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return res;
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}
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static inline uint16_t sub16_usat(uint16_t a, uint8_t b)
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{
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if (a < b)
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return a - b;
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else
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return 0;
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}
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static inline uint8_t add8_usat(uint8_t a, uint8_t b)
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{
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uint8_t res;
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res = a + b;
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if (res < a)
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res = 0xff;
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return res;
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}
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static inline uint8_t sub8_usat(uint8_t a, uint8_t b)
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{
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if (a < b)
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return a - b;
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else
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return 0;
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}
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#define ADD16(a, b, n) RESULT(add16_usat(a, b), n, 16);
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#define SUB16(a, b, n) RESULT(sub16_usat(a, b), n, 16);
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#define ADD8(a, b, n) RESULT(add8_usat(a, b), n, 8);
|
||||
#define SUB8(a, b, n) RESULT(sub8_usat(a, b), n, 8);
|
||||
#define PFX uq
|
||||
|
||||
#include "op_addsub.h"
|
||||
|
||||
/* Signed modulo arithmetic. */
|
||||
#define SARITH16(a, b, n, op) do { \
|
||||
int32_t sum; \
|
||||
sum = (int16_t)((uint16_t)(a) op (uint16_t)(b)); \
|
||||
RESULT(sum, n, 16); \
|
||||
if (sum >= 0) \
|
||||
ge |= 3 << (n * 2); \
|
||||
} while(0)
|
||||
|
||||
#define SARITH8(a, b, n, op) do { \
|
||||
int32_t sum; \
|
||||
sum = (int8_t)((uint8_t)(a) op (uint8_t)(b)); \
|
||||
RESULT(sum, n, 8); \
|
||||
if (sum >= 0) \
|
||||
ge |= 1 << n; \
|
||||
} while(0)
|
||||
|
||||
|
||||
#define ADD16(a, b, n) SARITH16(a, b, n, +)
|
||||
#define SUB16(a, b, n) SARITH16(a, b, n, -)
|
||||
#define ADD8(a, b, n) SARITH8(a, b, n, +)
|
||||
#define SUB8(a, b, n) SARITH8(a, b, n, -)
|
||||
#define PFX s
|
||||
#define ARITH_GE
|
||||
|
||||
#include "op_addsub.h"
|
||||
|
||||
/* Unsigned modulo arithmetic. */
|
||||
#define ADD16(a, b, n) do { \
|
||||
uint32_t sum; \
|
||||
sum = (uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b); \
|
||||
RESULT(sum, n, 16); \
|
||||
if ((sum >> 16) == 0) \
|
||||
ge |= 3 << (n * 2); \
|
||||
} while(0)
|
||||
|
||||
#define ADD8(a, b, n) do { \
|
||||
uint32_t sum; \
|
||||
sum = (uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b); \
|
||||
RESULT(sum, n, 8); \
|
||||
if ((sum >> 8) == 0) \
|
||||
ge |= 3 << (n * 2); \
|
||||
} while(0)
|
||||
|
||||
#define SUB16(a, b, n) do { \
|
||||
uint32_t sum; \
|
||||
sum = (uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b); \
|
||||
RESULT(sum, n, 16); \
|
||||
if ((sum >> 16) == 0) \
|
||||
ge |= 3 << (n * 2); \
|
||||
} while(0)
|
||||
|
||||
#define SUB8(a, b, n) do { \
|
||||
uint32_t sum; \
|
||||
sum = (uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b); \
|
||||
RESULT(sum, n, 8); \
|
||||
if ((sum >> 8) == 0) \
|
||||
ge |= 3 << (n * 2); \
|
||||
} while(0)
|
||||
|
||||
#define PFX u
|
||||
#define ARITH_GE
|
||||
|
||||
#include "op_addsub.h"
|
||||
|
||||
/* Halved signed arithmetic. */
|
||||
#define ADD16(a, b, n) \
|
||||
RESULT(((int32_t)(int16_t)(a) + (int32_t)(int16_t)(b)) >> 1, n, 16)
|
||||
#define SUB16(a, b, n) \
|
||||
RESULT(((int32_t)(int16_t)(a) - (int32_t)(int16_t)(b)) >> 1, n, 16)
|
||||
#define ADD8(a, b, n) \
|
||||
RESULT(((int32_t)(int8_t)(a) + (int32_t)(int8_t)(b)) >> 1, n, 8)
|
||||
#define SUB8(a, b, n) \
|
||||
RESULT(((int32_t)(int8_t)(a) - (int32_t)(int8_t)(b)) >> 1, n, 8)
|
||||
#define PFX sh
|
||||
|
||||
#include "op_addsub.h"
|
||||
|
||||
/* Halved unsigned arithmetic. */
|
||||
#define ADD16(a, b, n) \
|
||||
RESULT(((uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b)) >> 1, n, 16)
|
||||
#define SUB16(a, b, n) \
|
||||
RESULT(((uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b)) >> 1, n, 16)
|
||||
#define ADD8(a, b, n) \
|
||||
RESULT(((uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b)) >> 1, n, 8)
|
||||
#define SUB8(a, b, n) \
|
||||
RESULT(((uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b)) >> 1, n, 8)
|
||||
#define PFX uh
|
||||
|
||||
#include "op_addsub.h"
|
||||
|
||||
void OPPROTO op_sel_T0_T1(void)
|
||||
{
|
||||
uint32_t mask;
|
||||
uint32_t flags;
|
||||
|
||||
flags = env->GE;
|
||||
mask = 0;
|
||||
if (flags & 1)
|
||||
mask |= 0xff;
|
||||
if (flags & 2)
|
||||
mask |= 0xff00;
|
||||
if (flags & 4)
|
||||
mask |= 0xff0000;
|
||||
if (flags & 8)
|
||||
mask |= 0xff000000;
|
||||
T0 = (T0 & mask) | (T1 & ~mask);
|
||||
FORCE_RET();
|
||||
}
|
||||
|
||||
/* Signed saturation. */
|
||||
static inline uint32_t do_ssat(int32_t val, int shift)
|
||||
{
|
||||
int32_t top;
|
||||
uint32_t mask;
|
||||
|
||||
shift = PARAM1;
|
||||
top = val >> shift;
|
||||
mask = (1u << shift) - 1;
|
||||
if (top > 0) {
|
||||
env->QF = 1;
|
||||
return mask;
|
||||
} else if (top < -1) {
|
||||
env->QF = 1;
|
||||
return ~mask;
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
/* Unsigned saturation. */
|
||||
static inline uint32_t do_usat(int32_t val, int shift)
|
||||
{
|
||||
uint32_t max;
|
||||
|
||||
shift = PARAM1;
|
||||
max = (1u << shift) - 1;
|
||||
if (val < 0) {
|
||||
env->QF = 1;
|
||||
return 0;
|
||||
} else if (val > max) {
|
||||
env->QF = 1;
|
||||
return max;
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
/* Signed saturate. */
|
||||
void OPPROTO op_ssat_T1(void)
|
||||
{
|
||||
T0 = do_ssat(T0, PARAM1);
|
||||
FORCE_RET();
|
||||
}
|
||||
|
||||
/* Dual halfword signed saturate. */
|
||||
void OPPROTO op_ssat16_T1(void)
|
||||
{
|
||||
uint32_t res;
|
||||
|
||||
res = (uint16_t)do_ssat((int16_t)T0, PARAM1);
|
||||
res |= do_ssat(((int32_t)T0) >> 16, PARAM1) << 16;
|
||||
T0 = res;
|
||||
FORCE_RET();
|
||||
}
|
||||
|
||||
/* Unsigned saturate. */
|
||||
void OPPROTO op_usat_T1(void)
|
||||
{
|
||||
T0 = do_usat(T0, PARAM1);
|
||||
FORCE_RET();
|
||||
}
|
||||
|
||||
/* Dual halfword unsigned saturate. */
|
||||
void OPPROTO op_usat16_T1(void)
|
||||
{
|
||||
uint32_t res;
|
||||
|
||||
res = (uint16_t)do_usat((int16_t)T0, PARAM1);
|
||||
res |= do_usat(((int32_t)T0) >> 16, PARAM1) << 16;
|
||||
T0 = res;
|
||||
FORCE_RET();
|
||||
}
|
||||
|
||||
/* Dual 16-bit add. */
|
||||
static inline uint8_t do_usad(uint8_t a, uint8_t b)
|
||||
{
|
||||
if (a > b)
|
||||
return a - b;
|
||||
else
|
||||
return b - a;
|
||||
}
|
||||
|
||||
/* Unsigned sum of absolute byte differences. */
|
||||
void OPPROTO op_usad8_T0_T1(void)
|
||||
{
|
||||
uint32_t sum;
|
||||
sum = do_usad(T0, T1);
|
||||
sum += do_usad(T0 >> 8, T1 >> 8);
|
||||
sum += do_usad(T0 >> 16, T1 >>16);
|
||||
sum += do_usad(T0 >> 24, T1 >> 24);
|
||||
T0 = sum;
|
||||
}
|
||||
|
||||
void OPPROTO op_movl_T1_r13_banked(void)
|
||||
{
|
||||
T1 = helper_get_r13_banked(env, PARAM1);
|
||||
|
||||
@ -8,9 +8,11 @@
|
||||
*/
|
||||
|
||||
#ifdef ARITH_GE
|
||||
#define GE_ARG , uint32_t *gep
|
||||
#define DECLARE_GE uint32_t ge = 0
|
||||
#define SET_GE env->GE = ge
|
||||
#define SET_GE *gep = ge
|
||||
#else
|
||||
#define GE_ARG
|
||||
#define DECLARE_GE do{}while(0)
|
||||
#define SET_GE do{}while(0)
|
||||
#endif
|
||||
@ -18,82 +20,77 @@
|
||||
#define RESULT(val, n, width) \
|
||||
res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width)
|
||||
|
||||
void OPPROTO glue(glue(op_,PFX),add16_T0_T1)(void)
|
||||
uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG)
|
||||
{
|
||||
uint32_t res = 0;
|
||||
DECLARE_GE;
|
||||
|
||||
ADD16(T0, T1, 0);
|
||||
ADD16(T0 >> 16, T1 >> 16, 1);
|
||||
ADD16(a, b, 0);
|
||||
ADD16(a >> 16, b >> 16, 1);
|
||||
SET_GE;
|
||||
T0 = res;
|
||||
FORCE_RET();
|
||||
return res;
|
||||
}
|
||||
|
||||
void OPPROTO glue(glue(op_,PFX),add8_T0_T1)(void)
|
||||
uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG)
|
||||
{
|
||||
uint32_t res = 0;
|
||||
DECLARE_GE;
|
||||
|
||||
ADD8(T0, T1, 0);
|
||||
ADD8(T0 >> 8, T1 >> 8, 1);
|
||||
ADD8(T0 >> 16, T1 >> 16, 2);
|
||||
ADD8(T0 >> 24, T1 >> 24, 3);
|
||||
ADD8(a, b, 0);
|
||||
ADD8(a >> 8, b >> 8, 1);
|
||||
ADD8(a >> 16, b >> 16, 2);
|
||||
ADD8(a >> 24, b >> 24, 3);
|
||||
SET_GE;
|
||||
T0 = res;
|
||||
FORCE_RET();
|
||||
return res;
|
||||
}
|
||||
|
||||
void OPPROTO glue(glue(op_,PFX),sub16_T0_T1)(void)
|
||||
uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG)
|
||||
{
|
||||
uint32_t res = 0;
|
||||
DECLARE_GE;
|
||||
|
||||
SUB16(T0, T1, 0);
|
||||
SUB16(T0 >> 16, T1 >> 16, 1);
|
||||
SUB16(a, b, 0);
|
||||
SUB16(a >> 16, b >> 16, 1);
|
||||
SET_GE;
|
||||
T0 = res;
|
||||
FORCE_RET();
|
||||
return res;
|
||||
}
|
||||
|
||||
void OPPROTO glue(glue(op_,PFX),sub8_T0_T1)(void)
|
||||
uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG)
|
||||
{
|
||||
uint32_t res = 0;
|
||||
DECLARE_GE;
|
||||
|
||||
SUB8(T0, T1, 0);
|
||||
SUB8(T0 >> 8, T1 >> 8, 1);
|
||||
SUB8(T0 >> 16, T1 >> 16, 2);
|
||||
SUB8(T0 >> 24, T1 >> 24, 3);
|
||||
SUB8(a, b, 0);
|
||||
SUB8(a >> 8, b >> 8, 1);
|
||||
SUB8(a >> 16, b >> 16, 2);
|
||||
SUB8(a >> 24, b >> 24, 3);
|
||||
SET_GE;
|
||||
T0 = res;
|
||||
FORCE_RET();
|
||||
return res;
|
||||
}
|
||||
|
||||
void OPPROTO glue(glue(op_,PFX),subaddx_T0_T1)(void)
|
||||
uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG)
|
||||
{
|
||||
uint32_t res = 0;
|
||||
DECLARE_GE;
|
||||
|
||||
ADD16(T0, T1, 0);
|
||||
SUB16(T0 >> 16, T1 >> 16, 1);
|
||||
ADD16(a, b, 0);
|
||||
SUB16(a >> 16, b >> 16, 1);
|
||||
SET_GE;
|
||||
T0 = res;
|
||||
FORCE_RET();
|
||||
return res;
|
||||
}
|
||||
|
||||
void OPPROTO glue(glue(op_,PFX),addsubx_T0_T1)(void)
|
||||
uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG)
|
||||
{
|
||||
uint32_t res = 0;
|
||||
DECLARE_GE;
|
||||
|
||||
SUB16(T0, T1, 0);
|
||||
ADD16(T0 >> 16, T1 >> 16, 1);
|
||||
SUB16(a, b, 0);
|
||||
ADD16(a >> 16, b >> 16, 1);
|
||||
SET_GE;
|
||||
T0 = res;
|
||||
FORCE_RET();
|
||||
return res;
|
||||
}
|
||||
|
||||
#undef GE_ARG
|
||||
#undef DECLARE_GE
|
||||
#undef SET_GE
|
||||
#undef RESULT
|
||||
|
||||
@ -369,3 +369,70 @@ uint32_t HELPER(sub_usaturate)(uint32_t a, uint32_t b)
|
||||
return res;
|
||||
}
|
||||
|
||||
/* Signed saturation. */
|
||||
static inline uint32_t do_ssat(int32_t val, int shift)
|
||||
{
|
||||
int32_t top;
|
||||
uint32_t mask;
|
||||
|
||||
shift = PARAM1;
|
||||
top = val >> shift;
|
||||
mask = (1u << shift) - 1;
|
||||
if (top > 0) {
|
||||
env->QF = 1;
|
||||
return mask;
|
||||
} else if (top < -1) {
|
||||
env->QF = 1;
|
||||
return ~mask;
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
/* Unsigned saturation. */
|
||||
static inline uint32_t do_usat(int32_t val, int shift)
|
||||
{
|
||||
uint32_t max;
|
||||
|
||||
shift = PARAM1;
|
||||
max = (1u << shift) - 1;
|
||||
if (val < 0) {
|
||||
env->QF = 1;
|
||||
return 0;
|
||||
} else if (val > max) {
|
||||
env->QF = 1;
|
||||
return max;
|
||||
}
|
||||
return val;
|
||||
}
|
||||
|
||||
/* Signed saturate. */
|
||||
uint32_t HELPER(ssat)(uint32_t x, uint32_t shift)
|
||||
{
|
||||
return do_ssat(x, shift);
|
||||
}
|
||||
|
||||
/* Dual halfword signed saturate. */
|
||||
uint32_t HELPER(ssat16)(uint32_t x, uint32_t shift)
|
||||
{
|
||||
uint32_t res;
|
||||
|
||||
res = (uint16_t)do_ssat((int16_t)x, shift);
|
||||
res |= do_ssat(((int32_t)x) >> 16, shift) << 16;
|
||||
return res;
|
||||
}
|
||||
|
||||
/* Unsigned saturate. */
|
||||
uint32_t HELPER(usat)(uint32_t x, uint32_t shift)
|
||||
{
|
||||
return do_usat(x, shift);
|
||||
}
|
||||
|
||||
/* Dual halfword unsigned saturate. */
|
||||
uint32_t HELPER(usat16)(uint32_t x, uint32_t shift)
|
||||
{
|
||||
uint32_t res;
|
||||
|
||||
res = (uint16_t)do_usat((int16_t)x, shift);
|
||||
res |= do_usat(((int32_t)x) >> 16, shift) << 16;
|
||||
return res;
|
||||
}
|
||||
|
||||
@ -226,7 +226,6 @@ static void gen_smul_dual(TCGv a, TCGv b)
|
||||
{
|
||||
TCGv tmp1 = new_tmp();
|
||||
TCGv tmp2 = new_tmp();
|
||||
TCGv res;
|
||||
tcg_gen_ext8s_i32(tmp1, a);
|
||||
tcg_gen_ext8s_i32(tmp2, b);
|
||||
tcg_gen_mul_i32(tmp1, tmp1, tmp2);
|
||||
@ -495,49 +494,93 @@ static inline void gen_arm_shift_im(TCGv var, int shiftop, int shift, int flags)
|
||||
}
|
||||
};
|
||||
|
||||
#define PAS_OP(pfx) { \
|
||||
gen_op_ ## pfx ## add16_T0_T1, \
|
||||
gen_op_ ## pfx ## addsubx_T0_T1, \
|
||||
gen_op_ ## pfx ## subaddx_T0_T1, \
|
||||
gen_op_ ## pfx ## sub16_T0_T1, \
|
||||
gen_op_ ## pfx ## add8_T0_T1, \
|
||||
NULL, \
|
||||
NULL, \
|
||||
gen_op_ ## pfx ## sub8_T0_T1 }
|
||||
#define PAS_OP(pfx) \
|
||||
switch (op2) { \
|
||||
case 0: gen_pas_helper(glue(pfx,add16)); break; \
|
||||
case 1: gen_pas_helper(glue(pfx,addsubx)); break; \
|
||||
case 2: gen_pas_helper(glue(pfx,subaddx)); break; \
|
||||
case 3: gen_pas_helper(glue(pfx,sub16)); break; \
|
||||
case 4: gen_pas_helper(glue(pfx,add8)); break; \
|
||||
case 7: gen_pas_helper(glue(pfx,sub8)); break; \
|
||||
}
|
||||
void gen_arm_parallel_addsub(int op1, int op2, TCGv a, TCGv b)
|
||||
{
|
||||
TCGv tmp;
|
||||
|
||||
static GenOpFunc *gen_arm_parallel_addsub[8][8] = {
|
||||
{},
|
||||
PAS_OP(s),
|
||||
PAS_OP(q),
|
||||
PAS_OP(sh),
|
||||
{},
|
||||
PAS_OP(u),
|
||||
PAS_OP(uq),
|
||||
PAS_OP(uh),
|
||||
};
|
||||
switch (op1) {
|
||||
#define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b, tmp)
|
||||
case 1:
|
||||
tmp = tcg_temp_new(TCG_TYPE_PTR);
|
||||
tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE));
|
||||
PAS_OP(s)
|
||||
break;
|
||||
case 5:
|
||||
tmp = tcg_temp_new(TCG_TYPE_PTR);
|
||||
tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE));
|
||||
PAS_OP(u)
|
||||
break;
|
||||
#undef gen_pas_helper
|
||||
#define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b)
|
||||
case 2:
|
||||
PAS_OP(q);
|
||||
break;
|
||||
case 3:
|
||||
PAS_OP(sh);
|
||||
break;
|
||||
case 6:
|
||||
PAS_OP(uq);
|
||||
break;
|
||||
case 7:
|
||||
PAS_OP(uh);
|
||||
break;
|
||||
#undef gen_pas_helper
|
||||
}
|
||||
}
|
||||
#undef PAS_OP
|
||||
|
||||
/* For unknown reasons Arm and Thumb-2 use arbitrarily diffenet encodings. */
|
||||
#define PAS_OP(pfx) { \
|
||||
gen_op_ ## pfx ## add8_T0_T1, \
|
||||
gen_op_ ## pfx ## add16_T0_T1, \
|
||||
gen_op_ ## pfx ## addsubx_T0_T1, \
|
||||
NULL, \
|
||||
gen_op_ ## pfx ## sub8_T0_T1, \
|
||||
gen_op_ ## pfx ## sub16_T0_T1, \
|
||||
gen_op_ ## pfx ## subaddx_T0_T1, \
|
||||
NULL }
|
||||
/* For unknown reasons Arm and Thumb-2 use arbitrarily different encodings. */
|
||||
#define PAS_OP(pfx) \
|
||||
switch (op2) { \
|
||||
case 0: gen_pas_helper(glue(pfx,add8)); break; \
|
||||
case 1: gen_pas_helper(glue(pfx,add16)); break; \
|
||||
case 2: gen_pas_helper(glue(pfx,addsubx)); break; \
|
||||
case 4: gen_pas_helper(glue(pfx,sub8)); break; \
|
||||
case 5: gen_pas_helper(glue(pfx,sub16)); break; \
|
||||
case 6: gen_pas_helper(glue(pfx,subaddx)); break; \
|
||||
}
|
||||
void gen_thumb2_parallel_addsub(int op1, int op2, TCGv a, TCGv b)
|
||||
{
|
||||
TCGv tmp;
|
||||
|
||||
static GenOpFunc *gen_thumb2_parallel_addsub[8][8] = {
|
||||
PAS_OP(s),
|
||||
PAS_OP(q),
|
||||
PAS_OP(sh),
|
||||
{},
|
||||
PAS_OP(u),
|
||||
PAS_OP(uq),
|
||||
PAS_OP(uh),
|
||||
{}
|
||||
};
|
||||
switch (op1) {
|
||||
#define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b, tmp)
|
||||
case 0:
|
||||
tmp = tcg_temp_new(TCG_TYPE_PTR);
|
||||
tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE));
|
||||
PAS_OP(s)
|
||||
break;
|
||||
case 4:
|
||||
tmp = tcg_temp_new(TCG_TYPE_PTR);
|
||||
tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE));
|
||||
PAS_OP(u)
|
||||
break;
|
||||
#undef gen_pas_helper
|
||||
#define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b)
|
||||
case 1:
|
||||
PAS_OP(q);
|
||||
break;
|
||||
case 2:
|
||||
PAS_OP(sh);
|
||||
break;
|
||||
case 5:
|
||||
PAS_OP(uq);
|
||||
break;
|
||||
case 6:
|
||||
PAS_OP(uh);
|
||||
break;
|
||||
#undef gen_pas_helper
|
||||
}
|
||||
}
|
||||
#undef PAS_OP
|
||||
|
||||
static GenOpFunc1 *gen_test_cc[14] = {
|
||||
@ -4906,6 +4949,7 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
|
||||
unsigned int cond, insn, val, op1, i, shift, rm, rs, rn, rd, sh;
|
||||
TCGv tmp;
|
||||
TCGv tmp2;
|
||||
TCGv tmp3;
|
||||
|
||||
insn = ldl_code(s->pc);
|
||||
s->pc += 4;
|
||||
@ -5591,13 +5635,14 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
|
||||
switch ((insn >> 23) & 3) {
|
||||
case 0: /* Parallel add/subtract. */
|
||||
op1 = (insn >> 20) & 7;
|
||||
gen_movl_T0_reg(s, rn);
|
||||
gen_movl_T1_reg(s, rm);
|
||||
tmp = load_reg(s, rn);
|
||||
tmp2 = load_reg(s, rm);
|
||||
sh = (insn >> 5) & 7;
|
||||
if ((op1 & 3) == 0 || sh == 5 || sh == 6)
|
||||
goto illegal_op;
|
||||
gen_arm_parallel_addsub[op1][sh]();
|
||||
gen_movl_reg_T0(s, rd);
|
||||
gen_arm_parallel_addsub(op1, sh, tmp, tmp2);
|
||||
dead_tmp(tmp2);
|
||||
store_reg(s, rd, tmp);
|
||||
break;
|
||||
case 1:
|
||||
if ((insn & 0x00700020) == 0) {
|
||||
@ -5620,40 +5665,44 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
|
||||
store_reg(s, rd, tmp);
|
||||
} else if ((insn & 0x00200020) == 0x00200000) {
|
||||
/* [us]sat */
|
||||
gen_movl_T1_reg(s, rm);
|
||||
tmp = load_reg(s, rm);
|
||||
shift = (insn >> 7) & 0x1f;
|
||||
if (insn & (1 << 6)) {
|
||||
if (shift == 0)
|
||||
shift = 31;
|
||||
gen_op_sarl_T1_im(shift);
|
||||
tcg_gen_sari_i32(tmp, tmp, shift);
|
||||
} else {
|
||||
gen_op_shll_T1_im(shift);
|
||||
tcg_gen_shli_i32(tmp, tmp, shift);
|
||||
}
|
||||
sh = (insn >> 16) & 0x1f;
|
||||
if (sh != 0) {
|
||||
if (insn & (1 << 22))
|
||||
gen_op_usat_T1(sh);
|
||||
gen_helper_usat(tmp, tmp, tcg_const_i32(sh));
|
||||
else
|
||||
gen_op_ssat_T1(sh);
|
||||
gen_helper_ssat(tmp, tmp, tcg_const_i32(sh));
|
||||
}
|
||||
gen_movl_T1_reg(s, rd);
|
||||
store_reg(s, rd, tmp);
|
||||
} else if ((insn & 0x00300fe0) == 0x00200f20) {
|
||||
/* [us]sat16 */
|
||||
gen_movl_T1_reg(s, rm);
|
||||
tmp = load_reg(s, rm);
|
||||
sh = (insn >> 16) & 0x1f;
|
||||
if (sh != 0) {
|
||||
if (insn & (1 << 22))
|
||||
gen_op_usat16_T1(sh);
|
||||
gen_helper_usat16(tmp, tmp, tcg_const_i32(sh));
|
||||
else
|
||||
gen_op_ssat16_T1(sh);
|
||||
gen_helper_ssat16(tmp, tmp, tcg_const_i32(sh));
|
||||
}
|
||||
gen_movl_T1_reg(s, rd);
|
||||
store_reg(s, rd, tmp);
|
||||
} else if ((insn & 0x00700fe0) == 0x00000fa0) {
|
||||
/* Select bytes. */
|
||||
gen_movl_T0_reg(s, rn);
|
||||
gen_movl_T1_reg(s, rm);
|
||||
gen_op_sel_T0_T1();
|
||||
gen_movl_reg_T0(s, rd);
|
||||
tmp = load_reg(s, rn);
|
||||
tmp2 = load_reg(s, rm);
|
||||
tmp3 = new_tmp();
|
||||
tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE));
|
||||
gen_helper_sel_flags(tmp, tmp3, tmp, tmp2);
|
||||
dead_tmp(tmp3);
|
||||
dead_tmp(tmp2);
|
||||
store_reg(s, rd, tmp);
|
||||
} else if ((insn & 0x000003e0) == 0x00000060) {
|
||||
gen_movl_T1_reg(s, rm);
|
||||
shift = (insn >> 10) & 3;
|
||||
@ -5755,15 +5804,17 @@ static void disas_arm_insn(CPUState * env, DisasContext *s)
|
||||
op1 = ((insn >> 17) & 0x38) | ((insn >> 5) & 7);
|
||||
switch (op1) {
|
||||
case 0: /* Unsigned sum of absolute differences. */
|
||||
goto illegal_op;
|
||||
gen_movl_T0_reg(s, rm);
|
||||
gen_movl_T1_reg(s, rs);
|
||||
gen_op_usad8_T0_T1();
|
||||
ARCH(6);
|
||||
tmp = load_reg(s, rm);
|
||||
tmp2 = load_reg(s, rs);
|
||||
gen_helper_usad8(tmp, tmp, tmp2);
|
||||
dead_tmp(tmp2);
|
||||
if (rn != 15) {
|
||||
gen_movl_T1_reg(s, rn);
|
||||
gen_op_addl_T0_T1();
|
||||
tmp2 = load_reg(s, rn);
|
||||
tcg_gen_add_i32(tmp, tmp, tmp2);
|
||||
dead_tmp(tmp2);
|
||||
}
|
||||
gen_movl_reg_T0(s, rd);
|
||||
store_reg(s, rd, tmp);
|
||||
break;
|
||||
case 0x20: case 0x24: case 0x28: case 0x2c:
|
||||
/* Bitfield insert/clear. */
|
||||
@ -6120,6 +6171,8 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
|
||||
uint32_t insn, imm, shift, offset, addr;
|
||||
uint32_t rd, rn, rm, rs;
|
||||
TCGv tmp;
|
||||
TCGv tmp2;
|
||||
TCGv tmp3;
|
||||
int op;
|
||||
int shiftop;
|
||||
int conds;
|
||||
@ -6464,10 +6517,11 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
|
||||
shift = (insn >> 4) & 7;
|
||||
if ((op & 3) == 3 || (shift & 3) == 3)
|
||||
goto illegal_op;
|
||||
gen_movl_T0_reg(s, rn);
|
||||
gen_movl_T1_reg(s, rm);
|
||||
gen_thumb2_parallel_addsub[op][shift]();
|
||||
gen_movl_reg_T0(s, rd);
|
||||
tmp = load_reg(s, rn);
|
||||
tmp2 = load_reg(s, rm);
|
||||
gen_thumb2_parallel_addsub(op, shift, tmp, tmp2);
|
||||
dead_tmp(tmp2);
|
||||
store_reg(s, rd, tmp);
|
||||
break;
|
||||
case 3: /* Other data processing. */
|
||||
op = ((insn >> 17) & 0x38) | ((insn >> 4) & 7);
|
||||
@ -6498,7 +6552,10 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
|
||||
break;
|
||||
case 0x10: /* sel */
|
||||
gen_movl_T1_reg(s, rm);
|
||||
gen_op_sel_T0_T1();
|
||||
tmp3 = new_tmp();
|
||||
tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE));
|
||||
gen_helper_sel_flags(cpu_T[0], tmp3, cpu_T[0], cpu_T[1]);
|
||||
dead_tmp(tmp3);
|
||||
break;
|
||||
case 0x18: /* clz */
|
||||
gen_helper_clz(cpu_T[0], cpu_T[0]);
|
||||
@ -6581,7 +6638,7 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
|
||||
gen_movl_reg_T0(s, rd);
|
||||
break;
|
||||
case 7: /* Unsigned sum of absolute differences. */
|
||||
gen_op_usad8_T0_T1();
|
||||
gen_helper_usad8(cpu_T[0], cpu_T[0], cpu_T[1]);
|
||||
if (rs != 15) {
|
||||
gen_movl_T1_reg(s, rs);
|
||||
gen_op_addl_T0_T1();
|
||||
@ -6821,63 +6878,64 @@ static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1)
|
||||
op = (insn >> 21) & 7;
|
||||
imm = insn & 0x1f;
|
||||
shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c);
|
||||
if (rn == 15)
|
||||
gen_op_movl_T1_im(0);
|
||||
else
|
||||
gen_movl_T1_reg(s, rn);
|
||||
if (rn == 15) {
|
||||
tmp = new_tmp();
|
||||
tcg_gen_movi_i32(tmp, 0);
|
||||
} else {
|
||||
tmp = load_reg(s, rn);
|
||||
}
|
||||
switch (op) {
|
||||
case 2: /* Signed bitfield extract. */
|
||||
imm++;
|
||||
if (shift + imm > 32)
|
||||
goto illegal_op;
|
||||
if (imm < 32)
|
||||
gen_sbfx(cpu_T[1], shift, imm);
|
||||
gen_sbfx(tmp, shift, imm);
|
||||
break;
|
||||
case 6: /* Unsigned bitfield extract. */
|
||||
imm++;
|
||||
if (shift + imm > 32)
|
||||
goto illegal_op;
|
||||
if (imm < 32)
|
||||
gen_ubfx(cpu_T[1], shift, (1u << imm) - 1);
|
||||
gen_ubfx(tmp, shift, (1u << imm) - 1);
|
||||
break;
|
||||
case 3: /* Bitfield insert/clear. */
|
||||
if (imm < shift)
|
||||
goto illegal_op;
|
||||
imm = imm + 1 - shift;
|
||||
if (imm != 32) {
|
||||
gen_movl_T0_reg(s, rd);
|
||||
gen_bfi(cpu_T[1], cpu_T[0], cpu_T[1],
|
||||
tmp2 = load_reg(s, rd);
|
||||
gen_bfi(tmp, tmp2, tmp,
|
||||
shift, ((1u << imm) - 1) << shift);
|
||||
dead_tmp(tmp2);
|
||||
}
|
||||
break;
|
||||
case 7:
|
||||
goto illegal_op;
|
||||
default: /* Saturate. */
|
||||
gen_movl_T1_reg(s, rn);
|
||||
if (shift) {
|
||||
if (op & 1)
|
||||
gen_op_sarl_T1_im(shift);
|
||||
tcg_gen_sari_i32(tmp, tmp, shift);
|
||||
else
|
||||
gen_op_shll_T1_im(shift);
|
||||
tcg_gen_shli_i32(tmp, tmp, shift);
|
||||
}
|
||||
tmp2 = tcg_const_i32(imm);
|
||||
if (op & 4) {
|
||||
/* Unsigned. */
|
||||
gen_op_ssat_T1(imm);
|
||||
if ((op & 1) && shift == 0)
|
||||
gen_op_usat16_T1(imm);
|
||||
gen_helper_usat16(tmp, tmp, tmp2);
|
||||
else
|
||||
gen_op_usat_T1(imm);
|
||||
gen_helper_usat(tmp, tmp, tmp2);
|
||||
} else {
|
||||
/* Signed. */
|
||||
gen_op_ssat_T1(imm);
|
||||
if ((op & 1) && shift == 0)
|
||||
gen_op_ssat16_T1(imm);
|
||||
gen_helper_ssat16(tmp, tmp, tmp2);
|
||||
else
|
||||
gen_op_ssat_T1(imm);
|
||||
gen_helper_ssat(tmp, tmp, tmp2);
|
||||
}
|
||||
break;
|
||||
}
|
||||
gen_movl_reg_T1(s, rd);
|
||||
store_reg(s, rd, tmp);
|
||||
} else {
|
||||
imm = ((insn & 0x04000000) >> 15)
|
||||
| ((insn & 0x7000) >> 4) | (insn & 0xff);
|
||||
|
||||
19
tcg/tcg-op.h
19
tcg/tcg-op.h
@ -237,6 +237,18 @@ static inline void tcg_gen_helper_1_2(void *func, TCGv ret,
|
||||
1, &ret, 2, args);
|
||||
}
|
||||
|
||||
static inline void tcg_gen_helper_1_3(void *func, TCGv ret,
|
||||
TCGv arg1, TCGv arg2, TCGv arg3)
|
||||
{
|
||||
TCGv args[3];
|
||||
args[0] = arg1;
|
||||
args[1] = arg2;
|
||||
args[2] = arg3;
|
||||
tcg_gen_call(&tcg_ctx,
|
||||
tcg_const_ptr((tcg_target_long)func), TCG_HELPER_CALL_FLAGS,
|
||||
1, &ret, 3, args);
|
||||
}
|
||||
|
||||
static inline void tcg_gen_helper_1_4(void *func, TCGv ret,
|
||||
TCGv arg1, TCGv arg2, TCGv arg3,
|
||||
TCGv arg4)
|
||||
@ -1416,3 +1428,10 @@ static inline void tcg_gen_qemu_st64(TCGv arg, TCGv addr, int mem_index)
|
||||
#define tcg_gen_ext_tl_i64 tcg_gen_ext_i32_i64
|
||||
#define tcg_const_tl tcg_const_i32
|
||||
#endif
|
||||
|
||||
#if TCG_TARGET_REG_BITS == 32
|
||||
#define tcg_gen_addi_ptr tcg_gen_addi_i32
|
||||
#else /* TCG_TARGET_REG_BITS == 32 */
|
||||
#define tcg_gen_addi_ptr tcg_gen_addi_i64
|
||||
#endif /* TCG_TARGET_REG_BITS != 32 */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user