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target-ppc: move ppc_vsr_t to common header 

The structure and corresponding defines and functions need to be used
outside of fpu_helper.c as well.

Add u8, u16, u32 and Int128 to the structure.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2016-12-05 16:55:18 +05:30 committed by David Gibson
parent 1c7ad77e56
commit f9f2ed5ae0
2 changed files with 42 additions and 37 deletions
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37
target/ppc/fpu_helper.c
View File

@ -1777,43 +1777,6 @@ uint32_t helper_efdcmpeq(CPUPPCState *env, uint64_t op1, uint64_t op2)
return helper_efdtsteq(env, op1, op2);
}
typedef union _ppc_vsr_t {
uint64_t u64[2];
uint32_t u32[4];
float32 f32[4];
float64 f64[2];
} ppc_vsr_t;
#if defined(HOST_WORDS_BIGENDIAN)
#define VsrW(i) u32[i]
#define VsrD(i) u64[i]
#else
#define VsrW(i) u32[3-(i)]
#define VsrD(i) u64[1-(i)]
#endif
static void getVSR(int n, ppc_vsr_t *vsr, CPUPPCState *env)
{
if (n < 32) {
vsr->VsrD(0) = env->fpr[n];
vsr->VsrD(1) = env->vsr[n];
} else {
vsr->u64[0] = env->avr[n-32].u64[0];
vsr->u64[1] = env->avr[n-32].u64[1];
}
}
static void putVSR(int n, ppc_vsr_t *vsr, CPUPPCState *env)
{
if (n < 32) {
env->fpr[n] = vsr->VsrD(0);
env->vsr[n] = vsr->VsrD(1);
} else {
env->avr[n-32].u64[0] = vsr->u64[0];
env->avr[n-32].u64[1] = vsr->u64[1];
}
}
#define float64_to_float64(x, env) x

42
target/ppc/internal.h
View File

@ -199,4 +199,46 @@ EXTRACT_HELPER(SHW, 8, 2);
EXTRACT_HELPER(SP, 19, 2);
EXTRACT_HELPER(IMM8, 11, 8);
typedef union _ppc_vsr_t {
uint8_t u8[16];
uint16_t u16[8];
uint32_t u32[4];
uint64_t u64[2];
float32 f32[4];
float64 f64[2];
Int128 s128;
} ppc_vsr_t;
#if defined(HOST_WORDS_BIGENDIAN)
#define VsrB(i) u8[i]
#define VsrW(i) u32[i]
#define VsrD(i) u64[i]
#else
#define VsrB(i) u8[15 - (i)]
#define VsrW(i) u32[3 - (i)]
#define VsrD(i) u64[1 - (i)]
#endif
static inline void getVSR(int n, ppc_vsr_t *vsr, CPUPPCState *env)
{
if (n < 32) {
vsr->VsrD(0) = env->fpr[n];
vsr->VsrD(1) = env->vsr[n];
} else {
vsr->u64[0] = env->avr[n - 32].u64[0];
vsr->u64[1] = env->avr[n - 32].u64[1];
}
}
static inline void putVSR(int n, ppc_vsr_t *vsr, CPUPPCState *env)
{
if (n < 32) {
env->fpr[n] = vsr->VsrD(0);
env->vsr[n] = vsr->VsrD(1);
} else {
env->avr[n - 32].u64[0] = vsr->u64[0];
env->avr[n - 32].u64[1] = vsr->u64[1];
}
}
#endif /* PPC_INTERNAL_H */