OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity
a659979328
qemu-e2k/target-i386/ops_sse.h
Aurelien Jarno c2ef9a83be target-i386: replace approx_rsqrt and approx_rcp by softfloat ops 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-04-25 11:18:33 +02:00

2088 lines
59 KiB
C
Raw Blame History

/*
* MMX/3DNow!/SSE/SSE2/SSE3/SSSE3/SSE4/PNI support
*
* Copyright (c) 2005 Fabrice Bellard
* Copyright (c) 2008 Intel Corporation <andrew.zaborowski@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#if SHIFT == 0
#define Reg MMXReg
#define XMM_ONLY(...)
#define B(n) MMX_B(n)
#define W(n) MMX_W(n)
#define L(n) MMX_L(n)
#define Q(n) q
#define SUFFIX _mmx
#else
#define Reg XMMReg
#define XMM_ONLY(...) __VA_ARGS__
#define B(n) XMM_B(n)
#define W(n) XMM_W(n)
#define L(n) XMM_L(n)
#define Q(n) XMM_Q(n)
#define SUFFIX _xmm
#endif
void glue(helper_psrlw, SUFFIX)(Reg *d, Reg *s)
{
int shift;
if (s->Q(0) > 15) {
d->Q(0) = 0;
#if SHIFT == 1
d->Q(1) = 0;
#endif
} else {
shift = s->B(0);
d->W(0) >>= shift;
d->W(1) >>= shift;
d->W(2) >>= shift;
d->W(3) >>= shift;
#if SHIFT == 1
d->W(4) >>= shift;
d->W(5) >>= shift;
d->W(6) >>= shift;
d->W(7) >>= shift;
#endif
}
}
void glue(helper_psraw, SUFFIX)(Reg *d, Reg *s)
{
int shift;
if (s->Q(0) > 15) {
shift = 15;
} else {
shift = s->B(0);
}
d->W(0) = (int16_t)d->W(0) >> shift;
d->W(1) = (int16_t)d->W(1) >> shift;
d->W(2) = (int16_t)d->W(2) >> shift;
d->W(3) = (int16_t)d->W(3) >> shift;
#if SHIFT == 1
d->W(4) = (int16_t)d->W(4) >> shift;
d->W(5) = (int16_t)d->W(5) >> shift;
d->W(6) = (int16_t)d->W(6) >> shift;
d->W(7) = (int16_t)d->W(7) >> shift;
#endif
}
void glue(helper_psllw, SUFFIX)(Reg *d, Reg *s)
{
int shift;
if (s->Q(0) > 15) {
d->Q(0) = 0;
#if SHIFT == 1
d->Q(1) = 0;
#endif
} else {
shift = s->B(0);
d->W(0) <<= shift;
d->W(1) <<= shift;
d->W(2) <<= shift;
d->W(3) <<= shift;
#if SHIFT == 1
d->W(4) <<= shift;
d->W(5) <<= shift;
d->W(6) <<= shift;
d->W(7) <<= shift;
#endif
}
}
void glue(helper_psrld, SUFFIX)(Reg *d, Reg *s)
{
int shift;
if (s->Q(0) > 31) {
d->Q(0) = 0;
#if SHIFT == 1
d->Q(1) = 0;
#endif
} else {
shift = s->B(0);
d->L(0) >>= shift;
d->L(1) >>= shift;
#if SHIFT == 1
d->L(2) >>= shift;
d->L(3) >>= shift;
#endif
}
}
void glue(helper_psrad, SUFFIX)(Reg *d, Reg *s)
{
int shift;
if (s->Q(0) > 31) {
shift = 31;
} else {
shift = s->B(0);
}
d->L(0) = (int32_t)d->L(0) >> shift;
d->L(1) = (int32_t)d->L(1) >> shift;
#if SHIFT == 1
d->L(2) = (int32_t)d->L(2) >> shift;
d->L(3) = (int32_t)d->L(3) >> shift;
#endif
}
void glue(helper_pslld, SUFFIX)(Reg *d, Reg *s)
{
int shift;
if (s->Q(0) > 31) {
d->Q(0) = 0;
#if SHIFT == 1
d->Q(1) = 0;
#endif
} else {
shift = s->B(0);
d->L(0) <<= shift;
d->L(1) <<= shift;
#if SHIFT == 1
d->L(2) <<= shift;
d->L(3) <<= shift;
#endif
}
}
void glue(helper_psrlq, SUFFIX)(Reg *d, Reg *s)
{
int shift;
if (s->Q(0) > 63) {
d->Q(0) = 0;
#if SHIFT == 1
d->Q(1) = 0;
#endif
} else {
shift = s->B(0);
d->Q(0) >>= shift;
#if SHIFT == 1
d->Q(1) >>= shift;
#endif
}
}
void glue(helper_psllq, SUFFIX)(Reg *d, Reg *s)
{
int shift;
if (s->Q(0) > 63) {
d->Q(0) = 0;
#if SHIFT == 1
d->Q(1) = 0;
#endif
} else {
shift = s->B(0);
d->Q(0) <<= shift;
#if SHIFT == 1
d->Q(1) <<= shift;
#endif
}
}
#if SHIFT == 1
void glue(helper_psrldq, SUFFIX)(Reg *d, Reg *s)
{
int shift, i;
shift = s->L(0);
if (shift > 16)
shift = 16;
for(i = 0; i < 16 - shift; i++)
d->B(i) = d->B(i + shift);
for(i = 16 - shift; i < 16; i++)
d->B(i) = 0;
}
void glue(helper_pslldq, SUFFIX)(Reg *d, Reg *s)
{
int shift, i;
shift = s->L(0);
if (shift > 16)
shift = 16;
for(i = 15; i >= shift; i--)
d->B(i) = d->B(i - shift);
for(i = 0; i < shift; i++)
d->B(i) = 0;
}
#endif
#define SSE_HELPER_B(name, F)\
void glue(name, SUFFIX) (Reg *d, Reg *s)\
{\
d->B(0) = F(d->B(0), s->B(0));\
d->B(1) = F(d->B(1), s->B(1));\
d->B(2) = F(d->B(2), s->B(2));\
d->B(3) = F(d->B(3), s->B(3));\
d->B(4) = F(d->B(4), s->B(4));\
d->B(5) = F(d->B(5), s->B(5));\
d->B(6) = F(d->B(6), s->B(6));\
d->B(7) = F(d->B(7), s->B(7));\
XMM_ONLY(\
d->B(8) = F(d->B(8), s->B(8));\
d->B(9) = F(d->B(9), s->B(9));\
d->B(10) = F(d->B(10), s->B(10));\
d->B(11) = F(d->B(11), s->B(11));\
d->B(12) = F(d->B(12), s->B(12));\
d->B(13) = F(d->B(13), s->B(13));\
d->B(14) = F(d->B(14), s->B(14));\
d->B(15) = F(d->B(15), s->B(15));\
)\
}
#define SSE_HELPER_W(name, F)\
void glue(name, SUFFIX) (Reg *d, Reg *s)\
{\
d->W(0) = F(d->W(0), s->W(0));\
d->W(1) = F(d->W(1), s->W(1));\
d->W(2) = F(d->W(2), s->W(2));\
d->W(3) = F(d->W(3), s->W(3));\
XMM_ONLY(\
d->W(4) = F(d->W(4), s->W(4));\
d->W(5) = F(d->W(5), s->W(5));\
d->W(6) = F(d->W(6), s->W(6));\
d->W(7) = F(d->W(7), s->W(7));\
)\
}
#define SSE_HELPER_L(name, F)\
void glue(name, SUFFIX) (Reg *d, Reg *s)\
{\
d->L(0) = F(d->L(0), s->L(0));\
d->L(1) = F(d->L(1), s->L(1));\
XMM_ONLY(\
d->L(2) = F(d->L(2), s->L(2));\
d->L(3) = F(d->L(3), s->L(3));\
)\
}
#define SSE_HELPER_Q(name, F)\
void glue(name, SUFFIX) (Reg *d, Reg *s)\
{\
d->Q(0) = F(d->Q(0), s->Q(0));\
XMM_ONLY(\
d->Q(1) = F(d->Q(1), s->Q(1));\
)\
}
#if SHIFT == 0
static inline int satub(int x)
{
if (x < 0)
return 0;
else if (x > 255)
return 255;
else
return x;
}
static inline int satuw(int x)
{
if (x < 0)
return 0;
else if (x > 65535)
return 65535;
else
return x;
}
static inline int satsb(int x)
{
if (x < -128)
return -128;
else if (x > 127)
return 127;
else
return x;
}
static inline int satsw(int x)
{
if (x < -32768)
return -32768;
else if (x > 32767)
return 32767;
else
return x;
}
#define FADD(a, b) ((a) + (b))
#define FADDUB(a, b) satub((a) + (b))
#define FADDUW(a, b) satuw((a) + (b))
#define FADDSB(a, b) satsb((int8_t)(a) + (int8_t)(b))
#define FADDSW(a, b) satsw((int16_t)(a) + (int16_t)(b))
#define FSUB(a, b) ((a) - (b))
#define FSUBUB(a, b) satub((a) - (b))
#define FSUBUW(a, b) satuw((a) - (b))
#define FSUBSB(a, b) satsb((int8_t)(a) - (int8_t)(b))
#define FSUBSW(a, b) satsw((int16_t)(a) - (int16_t)(b))
#define FMINUB(a, b) ((a) < (b)) ? (a) : (b)
#define FMINSW(a, b) ((int16_t)(a) < (int16_t)(b)) ? (a) : (b)
#define FMAXUB(a, b) ((a) > (b)) ? (a) : (b)
#define FMAXSW(a, b) ((int16_t)(a) > (int16_t)(b)) ? (a) : (b)
#define FAND(a, b) (a) & (b)
#define FANDN(a, b) ((~(a)) & (b))
#define FOR(a, b) (a) | (b)
#define FXOR(a, b) (a) ^ (b)
#define FCMPGTB(a, b) (int8_t)(a) > (int8_t)(b) ? -1 : 0
#define FCMPGTW(a, b) (int16_t)(a) > (int16_t)(b) ? -1 : 0
#define FCMPGTL(a, b) (int32_t)(a) > (int32_t)(b) ? -1 : 0
#define FCMPEQ(a, b) (a) == (b) ? -1 : 0
#define FMULLW(a, b) (a) * (b)
#define FMULHRW(a, b) ((int16_t)(a) * (int16_t)(b) + 0x8000) >> 16
#define FMULHUW(a, b) (a) * (b) >> 16
#define FMULHW(a, b) (int16_t)(a) * (int16_t)(b) >> 16
#define FAVG(a, b) ((a) + (b) + 1) >> 1
#endif
SSE_HELPER_B(helper_paddb, FADD)
SSE_HELPER_W(helper_paddw, FADD)
SSE_HELPER_L(helper_paddl, FADD)
SSE_HELPER_Q(helper_paddq, FADD)
SSE_HELPER_B(helper_psubb, FSUB)
SSE_HELPER_W(helper_psubw, FSUB)
SSE_HELPER_L(helper_psubl, FSUB)
SSE_HELPER_Q(helper_psubq, FSUB)
SSE_HELPER_B(helper_paddusb, FADDUB)
SSE_HELPER_B(helper_paddsb, FADDSB)
SSE_HELPER_B(helper_psubusb, FSUBUB)
SSE_HELPER_B(helper_psubsb, FSUBSB)
SSE_HELPER_W(helper_paddusw, FADDUW)
SSE_HELPER_W(helper_paddsw, FADDSW)
SSE_HELPER_W(helper_psubusw, FSUBUW)
SSE_HELPER_W(helper_psubsw, FSUBSW)
SSE_HELPER_B(helper_pminub, FMINUB)
SSE_HELPER_B(helper_pmaxub, FMAXUB)
SSE_HELPER_W(helper_pminsw, FMINSW)
SSE_HELPER_W(helper_pmaxsw, FMAXSW)
SSE_HELPER_Q(helper_pand, FAND)
SSE_HELPER_Q(helper_pandn, FANDN)
SSE_HELPER_Q(helper_por, FOR)
SSE_HELPER_Q(helper_pxor, FXOR)
SSE_HELPER_B(helper_pcmpgtb, FCMPGTB)
SSE_HELPER_W(helper_pcmpgtw, FCMPGTW)
SSE_HELPER_L(helper_pcmpgtl, FCMPGTL)
SSE_HELPER_B(helper_pcmpeqb, FCMPEQ)
SSE_HELPER_W(helper_pcmpeqw, FCMPEQ)
SSE_HELPER_L(helper_pcmpeql, FCMPEQ)
SSE_HELPER_W(helper_pmullw, FMULLW)
#if SHIFT == 0
SSE_HELPER_W(helper_pmulhrw, FMULHRW)
#endif
SSE_HELPER_W(helper_pmulhuw, FMULHUW)
SSE_HELPER_W(helper_pmulhw, FMULHW)
SSE_HELPER_B(helper_pavgb, FAVG)
SSE_HELPER_W(helper_pavgw, FAVG)
void glue(helper_pmuludq, SUFFIX) (Reg *d, Reg *s)
{
d->Q(0) = (uint64_t)s->L(0) * (uint64_t)d->L(0);
#if SHIFT == 1
d->Q(1) = (uint64_t)s->L(2) * (uint64_t)d->L(2);
#endif
}
void glue(helper_pmaddwd, SUFFIX) (Reg *d, Reg *s)
{
int i;
for(i = 0; i < (2 << SHIFT); i++) {
d->L(i) = (int16_t)s->W(2*i) * (int16_t)d->W(2*i) +
(int16_t)s->W(2*i+1) * (int16_t)d->W(2*i+1);
}
}
#if SHIFT == 0
static inline int abs1(int a)
{
if (a < 0)
return -a;
else
return a;
}
#endif
void glue(helper_psadbw, SUFFIX) (Reg *d, Reg *s)
{
unsigned int val;
val = 0;
val += abs1(d->B(0) - s->B(0));
val += abs1(d->B(1) - s->B(1));
val += abs1(d->B(2) - s->B(2));
val += abs1(d->B(3) - s->B(3));
val += abs1(d->B(4) - s->B(4));
val += abs1(d->B(5) - s->B(5));
val += abs1(d->B(6) - s->B(6));
val += abs1(d->B(7) - s->B(7));
d->Q(0) = val;
#if SHIFT == 1
val = 0;
val += abs1(d->B(8) - s->B(8));
val += abs1(d->B(9) - s->B(9));
val += abs1(d->B(10) - s->B(10));
val += abs1(d->B(11) - s->B(11));
val += abs1(d->B(12) - s->B(12));
val += abs1(d->B(13) - s->B(13));
val += abs1(d->B(14) - s->B(14));
val += abs1(d->B(15) - s->B(15));
d->Q(1) = val;
#endif
}
void glue(helper_maskmov, SUFFIX) (Reg *d, Reg *s, target_ulong a0)
{
int i;
for(i = 0; i < (8 << SHIFT); i++) {
if (s->B(i) & 0x80)
stb(a0 + i, d->B(i));
}
}
void glue(helper_movl_mm_T0, SUFFIX) (Reg *d, uint32_t val)
{
d->L(0) = val;
d->L(1) = 0;
#if SHIFT == 1
d->Q(1) = 0;
#endif
}
#ifdef TARGET_X86_64
void glue(helper_movq_mm_T0, SUFFIX) (Reg *d, uint64_t val)
{
d->Q(0) = val;
#if SHIFT == 1
d->Q(1) = 0;
#endif
}
#endif
#if SHIFT == 0
void glue(helper_pshufw, SUFFIX) (Reg *d, Reg *s, int order)
{
Reg r;
r.W(0) = s->W(order & 3);
r.W(1) = s->W((order >> 2) & 3);
r.W(2) = s->W((order >> 4) & 3);
r.W(3) = s->W((order >> 6) & 3);
*d = r;
}
#else
void helper_shufps(Reg *d, Reg *s, int order)
{
Reg r;
r.L(0) = d->L(order & 3);
r.L(1) = d->L((order >> 2) & 3);
r.L(2) = s->L((order >> 4) & 3);
r.L(3) = s->L((order >> 6) & 3);
*d = r;
}
void helper_shufpd(Reg *d, Reg *s, int order)
{
Reg r;
r.Q(0) = d->Q(order & 1);
r.Q(1) = s->Q((order >> 1) & 1);
*d = r;
}
void glue(helper_pshufd, SUFFIX) (Reg *d, Reg *s, int order)
{
Reg r;
r.L(0) = s->L(order & 3);
r.L(1) = s->L((order >> 2) & 3);
r.L(2) = s->L((order >> 4) & 3);
r.L(3) = s->L((order >> 6) & 3);
*d = r;
}
void glue(helper_pshuflw, SUFFIX) (Reg *d, Reg *s, int order)
{
Reg r;
r.W(0) = s->W(order & 3);
r.W(1) = s->W((order >> 2) & 3);
r.W(2) = s->W((order >> 4) & 3);
r.W(3) = s->W((order >> 6) & 3);
r.Q(1) = s->Q(1);
*d = r;
}
void glue(helper_pshufhw, SUFFIX) (Reg *d, Reg *s, int order)
{
Reg r;
r.Q(0) = s->Q(0);
r.W(4) = s->W(4 + (order & 3));
r.W(5) = s->W(4 + ((order >> 2) & 3));
r.W(6) = s->W(4 + ((order >> 4) & 3));
r.W(7) = s->W(4 + ((order >> 6) & 3));
*d = r;
}
#endif
#if SHIFT == 1
/* FPU ops */
/* XXX: not accurate */
#define SSE_HELPER_S(name, F)\
void helper_ ## name ## ps (Reg *d, Reg *s)\
{\
d->XMM_S(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
d->XMM_S(1) = F(32, d->XMM_S(1), s->XMM_S(1));\
d->XMM_S(2) = F(32, d->XMM_S(2), s->XMM_S(2));\
d->XMM_S(3) = F(32, d->XMM_S(3), s->XMM_S(3));\
}\
\
void helper_ ## name ## ss (Reg *d, Reg *s)\
{\
d->XMM_S(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
}\
void helper_ ## name ## pd (Reg *d, Reg *s)\
{\
d->XMM_D(0) = F(64, d->XMM_D(0), s->XMM_D(0));\
d->XMM_D(1) = F(64, d->XMM_D(1), s->XMM_D(1));\
}\
\
void helper_ ## name ## sd (Reg *d, Reg *s)\
{\
d->XMM_D(0) = F(64, d->XMM_D(0), s->XMM_D(0));\
}
#define FPU_ADD(size, a, b) float ## size ## _add(a, b, &env->sse_status)
#define FPU_SUB(size, a, b) float ## size ## _sub(a, b, &env->sse_status)
#define FPU_MUL(size, a, b) float ## size ## _mul(a, b, &env->sse_status)
#define FPU_DIV(size, a, b) float ## size ## _div(a, b, &env->sse_status)
#define FPU_MIN(size, a, b) (a) < (b) ? (a) : (b)
#define FPU_MAX(size, a, b) (a) > (b) ? (a) : (b)
#define FPU_SQRT(size, a, b) float ## size ## _sqrt(b, &env->sse_status)
SSE_HELPER_S(add, FPU_ADD)
SSE_HELPER_S(sub, FPU_SUB)
SSE_HELPER_S(mul, FPU_MUL)
SSE_HELPER_S(div, FPU_DIV)
SSE_HELPER_S(min, FPU_MIN)
SSE_HELPER_S(max, FPU_MAX)
SSE_HELPER_S(sqrt, FPU_SQRT)
/* float to float conversions */
void helper_cvtps2pd(Reg *d, Reg *s)
{
float32 s0, s1;
s0 = s->XMM_S(0);
s1 = s->XMM_S(1);
d->XMM_D(0) = float32_to_float64(s0, &env->sse_status);
d->XMM_D(1) = float32_to_float64(s1, &env->sse_status);
}
void helper_cvtpd2ps(Reg *d, Reg *s)
{
d->XMM_S(0) = float64_to_float32(s->XMM_D(0), &env->sse_status);
d->XMM_S(1) = float64_to_float32(s->XMM_D(1), &env->sse_status);
d->Q(1) = 0;
}
void helper_cvtss2sd(Reg *d, Reg *s)
{
d->XMM_D(0) = float32_to_float64(s->XMM_S(0), &env->sse_status);
}
void helper_cvtsd2ss(Reg *d, Reg *s)
{
d->XMM_S(0) = float64_to_float32(s->XMM_D(0), &env->sse_status);
}
/* integer to float */
void helper_cvtdq2ps(Reg *d, Reg *s)
{
d->XMM_S(0) = int32_to_float32(s->XMM_L(0), &env->sse_status);
d->XMM_S(1) = int32_to_float32(s->XMM_L(1), &env->sse_status);
d->XMM_S(2) = int32_to_float32(s->XMM_L(2), &env->sse_status);
d->XMM_S(3) = int32_to_float32(s->XMM_L(3), &env->sse_status);
}
void helper_cvtdq2pd(Reg *d, Reg *s)
{
int32_t l0, l1;
l0 = (int32_t)s->XMM_L(0);
l1 = (int32_t)s->XMM_L(1);
d->XMM_D(0) = int32_to_float64(l0, &env->sse_status);
d->XMM_D(1) = int32_to_float64(l1, &env->sse_status);
}
void helper_cvtpi2ps(XMMReg *d, MMXReg *s)
{
d->XMM_S(0) = int32_to_float32(s->MMX_L(0), &env->sse_status);
d->XMM_S(1) = int32_to_float32(s->MMX_L(1), &env->sse_status);
}
void helper_cvtpi2pd(XMMReg *d, MMXReg *s)
{
d->XMM_D(0) = int32_to_float64(s->MMX_L(0), &env->sse_status);
d->XMM_D(1) = int32_to_float64(s->MMX_L(1), &env->sse_status);
}
void helper_cvtsi2ss(XMMReg *d, uint32_t val)
{
d->XMM_S(0) = int32_to_float32(val, &env->sse_status);
}
void helper_cvtsi2sd(XMMReg *d, uint32_t val)
{
d->XMM_D(0) = int32_to_float64(val, &env->sse_status);
}
#ifdef TARGET_X86_64
void helper_cvtsq2ss(XMMReg *d, uint64_t val)
{
d->XMM_S(0) = int64_to_float32(val, &env->sse_status);
}
void helper_cvtsq2sd(XMMReg *d, uint64_t val)
{
d->XMM_D(0) = int64_to_float64(val, &env->sse_status);
}
#endif
/* float to integer */
void helper_cvtps2dq(XMMReg *d, XMMReg *s)
{
d->XMM_L(0) = float32_to_int32(s->XMM_S(0), &env->sse_status);
d->XMM_L(1) = float32_to_int32(s->XMM_S(1), &env->sse_status);
d->XMM_L(2) = float32_to_int32(s->XMM_S(2), &env->sse_status);
d->XMM_L(3) = float32_to_int32(s->XMM_S(3), &env->sse_status);
}
void helper_cvtpd2dq(XMMReg *d, XMMReg *s)
{
d->XMM_L(0) = float64_to_int32(s->XMM_D(0), &env->sse_status);
d->XMM_L(1) = float64_to_int32(s->XMM_D(1), &env->sse_status);
d->XMM_Q(1) = 0;
}
void helper_cvtps2pi(MMXReg *d, XMMReg *s)
{
d->MMX_L(0) = float32_to_int32(s->XMM_S(0), &env->sse_status);
d->MMX_L(1) = float32_to_int32(s->XMM_S(1), &env->sse_status);
}
void helper_cvtpd2pi(MMXReg *d, XMMReg *s)
{
d->MMX_L(0) = float64_to_int32(s->XMM_D(0), &env->sse_status);
d->MMX_L(1) = float64_to_int32(s->XMM_D(1), &env->sse_status);
}
int32_t helper_cvtss2si(XMMReg *s)
{
return float32_to_int32(s->XMM_S(0), &env->sse_status);
}
int32_t helper_cvtsd2si(XMMReg *s)
{
return float64_to_int32(s->XMM_D(0), &env->sse_status);
}
#ifdef TARGET_X86_64
int64_t helper_cvtss2sq(XMMReg *s)
{
return float32_to_int64(s->XMM_S(0), &env->sse_status);
}
int64_t helper_cvtsd2sq(XMMReg *s)
{
return float64_to_int64(s->XMM_D(0), &env->sse_status);
}
#endif
/* float to integer truncated */
void helper_cvttps2dq(XMMReg *d, XMMReg *s)
{
d->XMM_L(0) = float32_to_int32_round_to_zero(s->XMM_S(0), &env->sse_status);
d->XMM_L(1) = float32_to_int32_round_to_zero(s->XMM_S(1), &env->sse_status);
d->XMM_L(2) = float32_to_int32_round_to_zero(s->XMM_S(2), &env->sse_status);
d->XMM_L(3) = float32_to_int32_round_to_zero(s->XMM_S(3), &env->sse_status);
}
void helper_cvttpd2dq(XMMReg *d, XMMReg *s)
{
d->XMM_L(0) = float64_to_int32_round_to_zero(s->XMM_D(0), &env->sse_status);
d->XMM_L(1) = float64_to_int32_round_to_zero(s->XMM_D(1), &env->sse_status);
d->XMM_Q(1) = 0;
}
void helper_cvttps2pi(MMXReg *d, XMMReg *s)
{
d->MMX_L(0) = float32_to_int32_round_to_zero(s->XMM_S(0), &env->sse_status);
d->MMX_L(1) = float32_to_int32_round_to_zero(s->XMM_S(1), &env->sse_status);
}
void helper_cvttpd2pi(MMXReg *d, XMMReg *s)
{
d->MMX_L(0) = float64_to_int32_round_to_zero(s->XMM_D(0), &env->sse_status);
d->MMX_L(1) = float64_to_int32_round_to_zero(s->XMM_D(1), &env->sse_status);
}
int32_t helper_cvttss2si(XMMReg *s)
{
return float32_to_int32_round_to_zero(s->XMM_S(0), &env->sse_status);
}
int32_t helper_cvttsd2si(XMMReg *s)
{
return float64_to_int32_round_to_zero(s->XMM_D(0), &env->sse_status);
}
#ifdef TARGET_X86_64
int64_t helper_cvttss2sq(XMMReg *s)
{
return float32_to_int64_round_to_zero(s->XMM_S(0), &env->sse_status);
}
int64_t helper_cvttsd2sq(XMMReg *s)
{
return float64_to_int64_round_to_zero(s->XMM_D(0), &env->sse_status);
}
#endif
void helper_rsqrtps(XMMReg *d, XMMReg *s)
{
d->XMM_S(0) = float32_div(float32_one,
float32_sqrt(s->XMM_S(0), &env->sse_status),
&env->sse_status);
d->XMM_S(1) = float32_div(float32_one,
float32_sqrt(s->XMM_S(1), &env->sse_status),
&env->sse_status);
d->XMM_S(2) = float32_div(float32_one,
float32_sqrt(s->XMM_S(2), &env->sse_status),
&env->sse_status);
d->XMM_S(3) = float32_div(float32_one,
float32_sqrt(s->XMM_S(3), &env->sse_status),
&env->sse_status);
}
void helper_rsqrtss(XMMReg *d, XMMReg *s)
{
d->XMM_S(0) = float32_div(float32_one,
float32_sqrt(s->XMM_S(0), &env->sse_status),
&env->sse_status);
}
void helper_rcpps(XMMReg *d, XMMReg *s)
{
d->XMM_S(0) = float32_div(float32_one, s->XMM_S(0), &env->sse_status);
d->XMM_S(1) = float32_div(float32_one, s->XMM_S(1), &env->sse_status);
d->XMM_S(2) = float32_div(float32_one, s->XMM_S(2), &env->sse_status);
d->XMM_S(3) = float32_div(float32_one, s->XMM_S(3), &env->sse_status);
}
void helper_rcpss(XMMReg *d, XMMReg *s)
{
d->XMM_S(0) = float32_div(float32_one, s->XMM_S(0), &env->sse_status);
}
static inline uint64_t helper_extrq(uint64_t src, int shift, int len)
{
uint64_t mask;
if (len == 0) {
mask = ~0LL;
} else {
mask = (1ULL << len) - 1;
}
return (src >> shift) & mask;
}
void helper_extrq_r(XMMReg *d, XMMReg *s)
{
d->XMM_Q(0) = helper_extrq(d->XMM_Q(0), s->XMM_B(1), s->XMM_B(0));
}
void helper_extrq_i(XMMReg *d, int index, int length)
{
d->XMM_Q(0) = helper_extrq(d->XMM_Q(0), index, length);
}
static inline uint64_t helper_insertq(uint64_t src, int shift, int len)
{
uint64_t mask;
if (len == 0) {
mask = ~0ULL;
} else {
mask = (1ULL << len) - 1;
}
return (src & ~(mask << shift)) | ((src & mask) << shift);
}
void helper_insertq_r(XMMReg *d, XMMReg *s)
{
d->XMM_Q(0) = helper_insertq(s->XMM_Q(0), s->XMM_B(9), s->XMM_B(8));
}
void helper_insertq_i(XMMReg *d, int index, int length)
{
d->XMM_Q(0) = helper_insertq(d->XMM_Q(0), index, length);
}
void helper_haddps(XMMReg *d, XMMReg *s)
{
XMMReg r;
r.XMM_S(0) = d->XMM_S(0) + d->XMM_S(1);
r.XMM_S(1) = d->XMM_S(2) + d->XMM_S(3);
r.XMM_S(2) = s->XMM_S(0) + s->XMM_S(1);
r.XMM_S(3) = s->XMM_S(2) + s->XMM_S(3);
*d = r;
}
void helper_haddpd(XMMReg *d, XMMReg *s)
{
XMMReg r;
r.XMM_D(0) = d->XMM_D(0) + d->XMM_D(1);
r.XMM_D(1) = s->XMM_D(0) + s->XMM_D(1);
*d = r;
}
void helper_hsubps(XMMReg *d, XMMReg *s)
{
XMMReg r;
r.XMM_S(0) = d->XMM_S(0) - d->XMM_S(1);
r.XMM_S(1) = d->XMM_S(2) - d->XMM_S(3);
r.XMM_S(2) = s->XMM_S(0) - s->XMM_S(1);
r.XMM_S(3) = s->XMM_S(2) - s->XMM_S(3);
*d = r;
}
void helper_hsubpd(XMMReg *d, XMMReg *s)
{
XMMReg r;
r.XMM_D(0) = d->XMM_D(0) - d->XMM_D(1);
r.XMM_D(1) = s->XMM_D(0) - s->XMM_D(1);
*d = r;
}
void helper_addsubps(XMMReg *d, XMMReg *s)
{
d->XMM_S(0) = d->XMM_S(0) - s->XMM_S(0);
d->XMM_S(1) = d->XMM_S(1) + s->XMM_S(1);
d->XMM_S(2) = d->XMM_S(2) - s->XMM_S(2);
d->XMM_S(3) = d->XMM_S(3) + s->XMM_S(3);
}
void helper_addsubpd(XMMReg *d, XMMReg *s)
{
d->XMM_D(0) = d->XMM_D(0) - s->XMM_D(0);
d->XMM_D(1) = d->XMM_D(1) + s->XMM_D(1);
}
/* XXX: unordered */
#define SSE_HELPER_CMP(name, F)\
void helper_ ## name ## ps (Reg *d, Reg *s)\
{\
d->XMM_L(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
d->XMM_L(1) = F(32, d->XMM_S(1), s->XMM_S(1));\
d->XMM_L(2) = F(32, d->XMM_S(2), s->XMM_S(2));\
d->XMM_L(3) = F(32, d->XMM_S(3), s->XMM_S(3));\
}\
\
void helper_ ## name ## ss (Reg *d, Reg *s)\
{\
d->XMM_L(0) = F(32, d->XMM_S(0), s->XMM_S(0));\
}\
void helper_ ## name ## pd (Reg *d, Reg *s)\
{\
d->XMM_Q(0) = F(64, d->XMM_D(0), s->XMM_D(0));\
d->XMM_Q(1) = F(64, d->XMM_D(1), s->XMM_D(1));\
}\
\
void helper_ ## name ## sd (Reg *d, Reg *s)\
{\
d->XMM_Q(0) = F(64, d->XMM_D(0), s->XMM_D(0));\
}
#define FPU_CMPEQ(size, a, b) float ## size ## _eq_quiet(a, b, &env->sse_status) ? -1 : 0
#define FPU_CMPLT(size, a, b) float ## size ## _lt(a, b, &env->sse_status) ? -1 : 0
#define FPU_CMPLE(size, a, b) float ## size ## _le(a, b, &env->sse_status) ? -1 : 0
#define FPU_CMPUNORD(size, a, b) float ## size ## _unordered_quiet(a, b, &env->sse_status) ? - 1 : 0
#define FPU_CMPNEQ(size, a, b) float ## size ## _eq_quiet(a, b, &env->sse_status) ? 0 : -1
#define FPU_CMPNLT(size, a, b) float ## size ## _lt(a, b, &env->sse_status) ? 0 : -1
#define FPU_CMPNLE(size, a, b) float ## size ## _le(a, b, &env->sse_status) ? 0 : -1
#define FPU_CMPORD(size, a, b) float ## size ## _unordered_quiet(a, b, &env->sse_status) ? 0 : -1
SSE_HELPER_CMP(cmpeq, FPU_CMPEQ)
SSE_HELPER_CMP(cmplt, FPU_CMPLT)
SSE_HELPER_CMP(cmple, FPU_CMPLE)
SSE_HELPER_CMP(cmpunord, FPU_CMPUNORD)
SSE_HELPER_CMP(cmpneq, FPU_CMPNEQ)
SSE_HELPER_CMP(cmpnlt, FPU_CMPNLT)
SSE_HELPER_CMP(cmpnle, FPU_CMPNLE)
SSE_HELPER_CMP(cmpord, FPU_CMPORD)
static const int comis_eflags[4] = {CC_C, CC_Z, 0, CC_Z | CC_P | CC_C};
void helper_ucomiss(Reg *d, Reg *s)
{
int ret;
float32 s0, s1;
s0 = d->XMM_S(0);
s1 = s->XMM_S(0);
ret = float32_compare_quiet(s0, s1, &env->sse_status);
CC_SRC = comis_eflags[ret + 1];
}
void helper_comiss(Reg *d, Reg *s)
{
int ret;
float32 s0, s1;
s0 = d->XMM_S(0);
s1 = s->XMM_S(0);
ret = float32_compare(s0, s1, &env->sse_status);
CC_SRC = comis_eflags[ret + 1];
}
void helper_ucomisd(Reg *d, Reg *s)
{
int ret;
float64 d0, d1;
d0 = d->XMM_D(0);
d1 = s->XMM_D(0);
ret = float64_compare_quiet(d0, d1, &env->sse_status);
CC_SRC = comis_eflags[ret + 1];
}
void helper_comisd(Reg *d, Reg *s)
{
int ret;
float64 d0, d1;
d0 = d->XMM_D(0);
d1 = s->XMM_D(0);
ret = float64_compare(d0, d1, &env->sse_status);
CC_SRC = comis_eflags[ret + 1];
}
uint32_t helper_movmskps(Reg *s)
{
int b0, b1, b2, b3;
b0 = s->XMM_L(0) >> 31;
b1 = s->XMM_L(1) >> 31;
b2 = s->XMM_L(2) >> 31;
b3 = s->XMM_L(3) >> 31;
return b0 | (b1 << 1) | (b2 << 2) | (b3 << 3);
}
uint32_t helper_movmskpd(Reg *s)
{
int b0, b1;
b0 = s->XMM_L(1) >> 31;
b1 = s->XMM_L(3) >> 31;
return b0 | (b1 << 1);
}
#endif
uint32_t glue(helper_pmovmskb, SUFFIX)(Reg *s)
{
uint32_t val;
val = 0;
val |= (s->B(0) >> 7);
val |= (s->B(1) >> 6) & 0x02;
val |= (s->B(2) >> 5) & 0x04;
val |= (s->B(3) >> 4) & 0x08;
val |= (s->B(4) >> 3) & 0x10;
val |= (s->B(5) >> 2) & 0x20;
val |= (s->B(6) >> 1) & 0x40;
val |= (s->B(7)) & 0x80;
#if SHIFT == 1
val |= (s->B(8) << 1) & 0x0100;
val |= (s->B(9) << 2) & 0x0200;
val |= (s->B(10) << 3) & 0x0400;
val |= (s->B(11) << 4) & 0x0800;
val |= (s->B(12) << 5) & 0x1000;
val |= (s->B(13) << 6) & 0x2000;
val |= (s->B(14) << 7) & 0x4000;
val |= (s->B(15) << 8) & 0x8000;
#endif
return val;
}
void glue(helper_packsswb, SUFFIX) (Reg *d, Reg *s)
{
Reg r;
r.B(0) = satsb((int16_t)d->W(0));
r.B(1) = satsb((int16_t)d->W(1));
r.B(2) = satsb((int16_t)d->W(2));
r.B(3) = satsb((int16_t)d->W(3));
#if SHIFT == 1
r.B(4) = satsb((int16_t)d->W(4));
r.B(5) = satsb((int16_t)d->W(5));
r.B(6) = satsb((int16_t)d->W(6));
r.B(7) = satsb((int16_t)d->W(7));
#endif
r.B((4 << SHIFT) + 0) = satsb((int16_t)s->W(0));
r.B((4 << SHIFT) + 1) = satsb((int16_t)s->W(1));
r.B((4 << SHIFT) + 2) = satsb((int16_t)s->W(2));
r.B((4 << SHIFT) + 3) = satsb((int16_t)s->W(3));
#if SHIFT == 1
r.B(12) = satsb((int16_t)s->W(4));
r.B(13) = satsb((int16_t)s->W(5));
r.B(14) = satsb((int16_t)s->W(6));
r.B(15) = satsb((int16_t)s->W(7));
#endif
*d = r;
}
void glue(helper_packuswb, SUFFIX) (Reg *d, Reg *s)
{
Reg r;
r.B(0) = satub((int16_t)d->W(0));
r.B(1) = satub((int16_t)d->W(1));
r.B(2) = satub((int16_t)d->W(2));
r.B(3) = satub((int16_t)d->W(3));
#if SHIFT == 1
r.B(4) = satub((int16_t)d->W(4));
r.B(5) = satub((int16_t)d->W(5));
r.B(6) = satub((int16_t)d->W(6));
r.B(7) = satub((int16_t)d->W(7));
#endif
r.B((4 << SHIFT) + 0) = satub((int16_t)s->W(0));
r.B((4 << SHIFT) + 1) = satub((int16_t)s->W(1));
r.B((4 << SHIFT) + 2) = satub((int16_t)s->W(2));
r.B((4 << SHIFT) + 3) = satub((int16_t)s->W(3));
#if SHIFT == 1
r.B(12) = satub((int16_t)s->W(4));
r.B(13) = satub((int16_t)s->W(5));
r.B(14) = satub((int16_t)s->W(6));
r.B(15) = satub((int16_t)s->W(7));
#endif
*d = r;
}
void glue(helper_packssdw, SUFFIX) (Reg *d, Reg *s)
{
Reg r;
r.W(0) = satsw(d->L(0));
r.W(1) = satsw(d->L(1));
#if SHIFT == 1
r.W(2) = satsw(d->L(2));
r.W(3) = satsw(d->L(3));
#endif
r.W((2 << SHIFT) + 0) = satsw(s->L(0));
r.W((2 << SHIFT) + 1) = satsw(s->L(1));
#if SHIFT == 1
r.W(6) = satsw(s->L(2));
r.W(7) = satsw(s->L(3));
#endif
*d = r;
}
#define UNPCK_OP(base_name, base) \
\
void glue(helper_punpck ## base_name ## bw, SUFFIX) (Reg *d, Reg *s) \
{ \
Reg r; \
\
r.B(0) = d->B((base << (SHIFT + 2)) + 0); \
r.B(1) = s->B((base << (SHIFT + 2)) + 0); \
r.B(2) = d->B((base << (SHIFT + 2)) + 1); \
r.B(3) = s->B((base << (SHIFT + 2)) + 1); \
r.B(4) = d->B((base << (SHIFT + 2)) + 2); \
r.B(5) = s->B((base << (SHIFT + 2)) + 2); \
r.B(6) = d->B((base << (SHIFT + 2)) + 3); \
r.B(7) = s->B((base << (SHIFT + 2)) + 3); \
XMM_ONLY( \
r.B(8) = d->B((base << (SHIFT + 2)) + 4); \
r.B(9) = s->B((base << (SHIFT + 2)) + 4); \
r.B(10) = d->B((base << (SHIFT + 2)) + 5); \
r.B(11) = s->B((base << (SHIFT + 2)) + 5); \
r.B(12) = d->B((base << (SHIFT + 2)) + 6); \
r.B(13) = s->B((base << (SHIFT + 2)) + 6); \
r.B(14) = d->B((base << (SHIFT + 2)) + 7); \
r.B(15) = s->B((base << (SHIFT + 2)) + 7); \
) \
*d = r; \
} \
\
void glue(helper_punpck ## base_name ## wd, SUFFIX) (Reg *d, Reg *s) \
{ \
Reg r; \
\
r.W(0) = d->W((base << (SHIFT + 1)) + 0); \
r.W(1) = s->W((base << (SHIFT + 1)) + 0); \
r.W(2) = d->W((base << (SHIFT + 1)) + 1); \
r.W(3) = s->W((base << (SHIFT + 1)) + 1); \
XMM_ONLY( \
r.W(4) = d->W((base << (SHIFT + 1)) + 2); \
r.W(5) = s->W((base << (SHIFT + 1)) + 2); \
r.W(6) = d->W((base << (SHIFT + 1)) + 3); \
r.W(7) = s->W((base << (SHIFT + 1)) + 3); \
) \
*d = r; \
} \
\
void glue(helper_punpck ## base_name ## dq, SUFFIX) (Reg *d, Reg *s) \
{ \
Reg r; \
\
r.L(0) = d->L((base << SHIFT) + 0); \
r.L(1) = s->L((base << SHIFT) + 0); \
XMM_ONLY( \
r.L(2) = d->L((base << SHIFT) + 1); \
r.L(3) = s->L((base << SHIFT) + 1); \
) \
*d = r; \
} \
\
XMM_ONLY( \
void glue(helper_punpck ## base_name ## qdq, SUFFIX) (Reg *d, Reg *s) \
{ \
Reg r; \
\
r.Q(0) = d->Q(base); \
r.Q(1) = s->Q(base); \
*d = r; \
} \
)
UNPCK_OP(l, 0)
UNPCK_OP(h, 1)
/* 3DNow! float ops */
#if SHIFT == 0
void helper_pi2fd(MMXReg *d, MMXReg *s)
{
d->MMX_S(0) = int32_to_float32(s->MMX_L(0), &env->mmx_status);
d->MMX_S(1) = int32_to_float32(s->MMX_L(1), &env->mmx_status);
}
void helper_pi2fw(MMXReg *d, MMXReg *s)
{
d->MMX_S(0) = int32_to_float32((int16_t)s->MMX_W(0), &env->mmx_status);
d->MMX_S(1) = int32_to_float32((int16_t)s->MMX_W(2), &env->mmx_status);
}
void helper_pf2id(MMXReg *d, MMXReg *s)
{
d->MMX_L(0) = float32_to_int32_round_to_zero(s->MMX_S(0), &env->mmx_status);
d->MMX_L(1) = float32_to_int32_round_to_zero(s->MMX_S(1), &env->mmx_status);
}
void helper_pf2iw(MMXReg *d, MMXReg *s)
{
d->MMX_L(0) = satsw(float32_to_int32_round_to_zero(s->MMX_S(0), &env->mmx_status));
d->MMX_L(1) = satsw(float32_to_int32_round_to_zero(s->MMX_S(1), &env->mmx_status));
}
void helper_pfacc(MMXReg *d, MMXReg *s)
{
MMXReg r;
r.MMX_S(0) = float32_add(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
r.MMX_S(1) = float32_add(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
*d = r;
}
void helper_pfadd(MMXReg *d, MMXReg *s)
{
d->MMX_S(0) = float32_add(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
d->MMX_S(1) = float32_add(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
}
void helper_pfcmpeq(MMXReg *d, MMXReg *s)
{
d->MMX_L(0) = float32_eq_quiet(d->MMX_S(0), s->MMX_S(0), &env->mmx_status) ? -1 : 0;
d->MMX_L(1) = float32_eq_quiet(d->MMX_S(1), s->MMX_S(1), &env->mmx_status) ? -1 : 0;
}
void helper_pfcmpge(MMXReg *d, MMXReg *s)
{
d->MMX_L(0) = float32_le(s->MMX_S(0), d->MMX_S(0), &env->mmx_status) ? -1 : 0;
d->MMX_L(1) = float32_le(s->MMX_S(1), d->MMX_S(1), &env->mmx_status) ? -1 : 0;
}
void helper_pfcmpgt(MMXReg *d, MMXReg *s)
{
d->MMX_L(0) = float32_lt(s->MMX_S(0), d->MMX_S(0), &env->mmx_status) ? -1 : 0;
d->MMX_L(1) = float32_lt(s->MMX_S(1), d->MMX_S(1), &env->mmx_status) ? -1 : 0;
}
void helper_pfmax(MMXReg *d, MMXReg *s)
{
if (float32_lt(d->MMX_S(0), s->MMX_S(0), &env->mmx_status))
d->MMX_S(0) = s->MMX_S(0);
if (float32_lt(d->MMX_S(1), s->MMX_S(1), &env->mmx_status))
d->MMX_S(1) = s->MMX_S(1);
}
void helper_pfmin(MMXReg *d, MMXReg *s)
{
if (float32_lt(s->MMX_S(0), d->MMX_S(0), &env->mmx_status))
d->MMX_S(0) = s->MMX_S(0);
if (float32_lt(s->MMX_S(1), d->MMX_S(1), &env->mmx_status))
d->MMX_S(1) = s->MMX_S(1);
}
void helper_pfmul(MMXReg *d, MMXReg *s)
{
d->MMX_S(0) = float32_mul(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
d->MMX_S(1) = float32_mul(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
}
void helper_pfnacc(MMXReg *d, MMXReg *s)
{
MMXReg r;
r.MMX_S(0) = float32_sub(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
r.MMX_S(1) = float32_sub(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
*d = r;
}
void helper_pfpnacc(MMXReg *d, MMXReg *s)
{
MMXReg r;
r.MMX_S(0) = float32_sub(d->MMX_S(0), d->MMX_S(1), &env->mmx_status);
r.MMX_S(1) = float32_add(s->MMX_S(0), s->MMX_S(1), &env->mmx_status);
*d = r;
}
void helper_pfrcp(MMXReg *d, MMXReg *s)
{
d->MMX_S(0) = float32_div(float32_one, s->MMX_S(0), &env->mmx_status);
d->MMX_S(1) = d->MMX_S(0);
}
void helper_pfrsqrt(MMXReg *d, MMXReg *s)
{
d->MMX_L(1) = s->MMX_L(0) & 0x7fffffff;
d->MMX_S(1) = float32_div(float32_one,
float32_sqrt(d->MMX_S(1), &env->mmx_status),
&env->mmx_status);
d->MMX_L(1) |= s->MMX_L(0) & 0x80000000;
d->MMX_L(0) = d->MMX_L(1);
}
void helper_pfsub(MMXReg *d, MMXReg *s)
{
d->MMX_S(0) = float32_sub(d->MMX_S(0), s->MMX_S(0), &env->mmx_status);
d->MMX_S(1) = float32_sub(d->MMX_S(1), s->MMX_S(1), &env->mmx_status);
}
void helper_pfsubr(MMXReg *d, MMXReg *s)
{
d->MMX_S(0) = float32_sub(s->MMX_S(0), d->MMX_S(0), &env->mmx_status);
d->MMX_S(1) = float32_sub(s->MMX_S(1), d->MMX_S(1), &env->mmx_status);
}
void helper_pswapd(MMXReg *d, MMXReg *s)
{
MMXReg r;
r.MMX_L(0) = s->MMX_L(1);
r.MMX_L(1) = s->MMX_L(0);
*d = r;
}
#endif
/* SSSE3 op helpers */
void glue(helper_pshufb, SUFFIX) (Reg *d, Reg *s)
{
int i;
Reg r;
for (i = 0; i < (8 << SHIFT); i++)
r.B(i) = (s->B(i) & 0x80) ? 0 : (d->B(s->B(i) & ((8 << SHIFT) - 1)));
*d = r;
}
void glue(helper_phaddw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = (int16_t)d->W(0) + (int16_t)d->W(1);
d->W(1) = (int16_t)d->W(2) + (int16_t)d->W(3);
XMM_ONLY(d->W(2) = (int16_t)d->W(4) + (int16_t)d->W(5));
XMM_ONLY(d->W(3) = (int16_t)d->W(6) + (int16_t)d->W(7));
d->W((2 << SHIFT) + 0) = (int16_t)s->W(0) + (int16_t)s->W(1);
d->W((2 << SHIFT) + 1) = (int16_t)s->W(2) + (int16_t)s->W(3);
XMM_ONLY(d->W(6) = (int16_t)s->W(4) + (int16_t)s->W(5));
XMM_ONLY(d->W(7) = (int16_t)s->W(6) + (int16_t)s->W(7));
}
void glue(helper_phaddd, SUFFIX) (Reg *d, Reg *s)
{
d->L(0) = (int32_t)d->L(0) + (int32_t)d->L(1);
XMM_ONLY(d->L(1) = (int32_t)d->L(2) + (int32_t)d->L(3));
d->L((1 << SHIFT) + 0) = (int32_t)s->L(0) + (int32_t)s->L(1);
XMM_ONLY(d->L(3) = (int32_t)s->L(2) + (int32_t)s->L(3));
}
void glue(helper_phaddsw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = satsw((int16_t)d->W(0) + (int16_t)d->W(1));
d->W(1) = satsw((int16_t)d->W(2) + (int16_t)d->W(3));
XMM_ONLY(d->W(2) = satsw((int16_t)d->W(4) + (int16_t)d->W(5)));
XMM_ONLY(d->W(3) = satsw((int16_t)d->W(6) + (int16_t)d->W(7)));
d->W((2 << SHIFT) + 0) = satsw((int16_t)s->W(0) + (int16_t)s->W(1));
d->W((2 << SHIFT) + 1) = satsw((int16_t)s->W(2) + (int16_t)s->W(3));
XMM_ONLY(d->W(6) = satsw((int16_t)s->W(4) + (int16_t)s->W(5)));
XMM_ONLY(d->W(7) = satsw((int16_t)s->W(6) + (int16_t)s->W(7)));
}
void glue(helper_pmaddubsw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = satsw((int8_t)s->B( 0) * (uint8_t)d->B( 0) +
(int8_t)s->B( 1) * (uint8_t)d->B( 1));
d->W(1) = satsw((int8_t)s->B( 2) * (uint8_t)d->B( 2) +
(int8_t)s->B( 3) * (uint8_t)d->B( 3));
d->W(2) = satsw((int8_t)s->B( 4) * (uint8_t)d->B( 4) +
(int8_t)s->B( 5) * (uint8_t)d->B( 5));
d->W(3) = satsw((int8_t)s->B( 6) * (uint8_t)d->B( 6) +
(int8_t)s->B( 7) * (uint8_t)d->B( 7));
#if SHIFT == 1
d->W(4) = satsw((int8_t)s->B( 8) * (uint8_t)d->B( 8) +
(int8_t)s->B( 9) * (uint8_t)d->B( 9));
d->W(5) = satsw((int8_t)s->B(10) * (uint8_t)d->B(10) +
(int8_t)s->B(11) * (uint8_t)d->B(11));
d->W(6) = satsw((int8_t)s->B(12) * (uint8_t)d->B(12) +
(int8_t)s->B(13) * (uint8_t)d->B(13));
d->W(7) = satsw((int8_t)s->B(14) * (uint8_t)d->B(14) +
(int8_t)s->B(15) * (uint8_t)d->B(15));
#endif
}
void glue(helper_phsubw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = (int16_t)d->W(0) - (int16_t)d->W(1);
d->W(1) = (int16_t)d->W(2) - (int16_t)d->W(3);
XMM_ONLY(d->W(2) = (int16_t)d->W(4) - (int16_t)d->W(5));
XMM_ONLY(d->W(3) = (int16_t)d->W(6) - (int16_t)d->W(7));
d->W((2 << SHIFT) + 0) = (int16_t)s->W(0) - (int16_t)s->W(1);
d->W((2 << SHIFT) + 1) = (int16_t)s->W(2) - (int16_t)s->W(3);
XMM_ONLY(d->W(6) = (int16_t)s->W(4) - (int16_t)s->W(5));
XMM_ONLY(d->W(7) = (int16_t)s->W(6) - (int16_t)s->W(7));
}
void glue(helper_phsubd, SUFFIX) (Reg *d, Reg *s)
{
d->L(0) = (int32_t)d->L(0) - (int32_t)d->L(1);
XMM_ONLY(d->L(1) = (int32_t)d->L(2) - (int32_t)d->L(3));
d->L((1 << SHIFT) + 0) = (int32_t)s->L(0) - (int32_t)s->L(1);
XMM_ONLY(d->L(3) = (int32_t)s->L(2) - (int32_t)s->L(3));
}
void glue(helper_phsubsw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = satsw((int16_t)d->W(0) - (int16_t)d->W(1));
d->W(1) = satsw((int16_t)d->W(2) - (int16_t)d->W(3));
XMM_ONLY(d->W(2) = satsw((int16_t)d->W(4) - (int16_t)d->W(5)));
XMM_ONLY(d->W(3) = satsw((int16_t)d->W(6) - (int16_t)d->W(7)));
d->W((2 << SHIFT) + 0) = satsw((int16_t)s->W(0) - (int16_t)s->W(1));
d->W((2 << SHIFT) + 1) = satsw((int16_t)s->W(2) - (int16_t)s->W(3));
XMM_ONLY(d->W(6) = satsw((int16_t)s->W(4) - (int16_t)s->W(5)));
XMM_ONLY(d->W(7) = satsw((int16_t)s->W(6) - (int16_t)s->W(7)));
}
#define FABSB(_, x) x > INT8_MAX ? -(int8_t ) x : x
#define FABSW(_, x) x > INT16_MAX ? -(int16_t) x : x
#define FABSL(_, x) x > INT32_MAX ? -(int32_t) x : x
SSE_HELPER_B(helper_pabsb, FABSB)
SSE_HELPER_W(helper_pabsw, FABSW)
SSE_HELPER_L(helper_pabsd, FABSL)
#define FMULHRSW(d, s) ((int16_t) d * (int16_t) s + 0x4000) >> 15
SSE_HELPER_W(helper_pmulhrsw, FMULHRSW)
#define FSIGNB(d, s) s <= INT8_MAX ? s ? d : 0 : -(int8_t ) d
#define FSIGNW(d, s) s <= INT16_MAX ? s ? d : 0 : -(int16_t) d
#define FSIGNL(d, s) s <= INT32_MAX ? s ? d : 0 : -(int32_t) d
SSE_HELPER_B(helper_psignb, FSIGNB)
SSE_HELPER_W(helper_psignw, FSIGNW)
SSE_HELPER_L(helper_psignd, FSIGNL)
void glue(helper_palignr, SUFFIX) (Reg *d, Reg *s, int32_t shift)
{
Reg r;
/* XXX could be checked during translation */
if (shift >= (16 << SHIFT)) {
r.Q(0) = 0;
XMM_ONLY(r.Q(1) = 0);
} else {
shift <<= 3;
#define SHR(v, i) (i < 64 && i > -64 ? i > 0 ? v >> (i) : (v << -(i)) : 0)
#if SHIFT == 0
r.Q(0) = SHR(s->Q(0), shift - 0) |
SHR(d->Q(0), shift - 64);
#else
r.Q(0) = SHR(s->Q(0), shift - 0) |
SHR(s->Q(1), shift - 64) |
SHR(d->Q(0), shift - 128) |
SHR(d->Q(1), shift - 192);
r.Q(1) = SHR(s->Q(0), shift + 64) |
SHR(s->Q(1), shift - 0) |
SHR(d->Q(0), shift - 64) |
SHR(d->Q(1), shift - 128);
#endif
#undef SHR
}
*d = r;
}
#define XMM0 env->xmm_regs[0]
#if SHIFT == 1
#define SSE_HELPER_V(name, elem, num, F)\
void glue(name, SUFFIX) (Reg *d, Reg *s)\
{\
d->elem(0) = F(d->elem(0), s->elem(0), XMM0.elem(0));\
d->elem(1) = F(d->elem(1), s->elem(1), XMM0.elem(1));\
if (num > 2) {\
d->elem(2) = F(d->elem(2), s->elem(2), XMM0.elem(2));\
d->elem(3) = F(d->elem(3), s->elem(3), XMM0.elem(3));\
if (num > 4) {\
d->elem(4) = F(d->elem(4), s->elem(4), XMM0.elem(4));\
d->elem(5) = F(d->elem(5), s->elem(5), XMM0.elem(5));\
d->elem(6) = F(d->elem(6), s->elem(6), XMM0.elem(6));\
d->elem(7) = F(d->elem(7), s->elem(7), XMM0.elem(7));\
if (num > 8) {\
d->elem(8) = F(d->elem(8), s->elem(8), XMM0.elem(8));\
d->elem(9) = F(d->elem(9), s->elem(9), XMM0.elem(9));\
d->elem(10) = F(d->elem(10), s->elem(10), XMM0.elem(10));\
d->elem(11) = F(d->elem(11), s->elem(11), XMM0.elem(11));\
d->elem(12) = F(d->elem(12), s->elem(12), XMM0.elem(12));\
d->elem(13) = F(d->elem(13), s->elem(13), XMM0.elem(13));\
d->elem(14) = F(d->elem(14), s->elem(14), XMM0.elem(14));\
d->elem(15) = F(d->elem(15), s->elem(15), XMM0.elem(15));\
}\
}\
}\
}
#define SSE_HELPER_I(name, elem, num, F)\
void glue(name, SUFFIX) (Reg *d, Reg *s, uint32_t imm)\
{\
d->elem(0) = F(d->elem(0), s->elem(0), ((imm >> 0) & 1));\
d->elem(1) = F(d->elem(1), s->elem(1), ((imm >> 1) & 1));\
if (num > 2) {\
d->elem(2) = F(d->elem(2), s->elem(2), ((imm >> 2) & 1));\
d->elem(3) = F(d->elem(3), s->elem(3), ((imm >> 3) & 1));\
if (num > 4) {\
d->elem(4) = F(d->elem(4), s->elem(4), ((imm >> 4) & 1));\
d->elem(5) = F(d->elem(5), s->elem(5), ((imm >> 5) & 1));\
d->elem(6) = F(d->elem(6), s->elem(6), ((imm >> 6) & 1));\
d->elem(7) = F(d->elem(7), s->elem(7), ((imm >> 7) & 1));\
if (num > 8) {\
d->elem(8) = F(d->elem(8), s->elem(8), ((imm >> 8) & 1));\
d->elem(9) = F(d->elem(9), s->elem(9), ((imm >> 9) & 1));\
d->elem(10) = F(d->elem(10), s->elem(10), ((imm >> 10) & 1));\
d->elem(11) = F(d->elem(11), s->elem(11), ((imm >> 11) & 1));\
d->elem(12) = F(d->elem(12), s->elem(12), ((imm >> 12) & 1));\
d->elem(13) = F(d->elem(13), s->elem(13), ((imm >> 13) & 1));\
d->elem(14) = F(d->elem(14), s->elem(14), ((imm >> 14) & 1));\
d->elem(15) = F(d->elem(15), s->elem(15), ((imm >> 15) & 1));\
}\
}\
}\
}
/* SSE4.1 op helpers */
#define FBLENDVB(d, s, m) (m & 0x80) ? s : d
#define FBLENDVPS(d, s, m) (m & 0x80000000) ? s : d
#define FBLENDVPD(d, s, m) (m & 0x8000000000000000LL) ? s : d
SSE_HELPER_V(helper_pblendvb, B, 16, FBLENDVB)
SSE_HELPER_V(helper_blendvps, L, 4, FBLENDVPS)
SSE_HELPER_V(helper_blendvpd, Q, 2, FBLENDVPD)
void glue(helper_ptest, SUFFIX) (Reg *d, Reg *s)
{
uint64_t zf = (s->Q(0) & d->Q(0)) | (s->Q(1) & d->Q(1));
uint64_t cf = (s->Q(0) & ~d->Q(0)) | (s->Q(1) & ~d->Q(1));
CC_SRC = (zf ? 0 : CC_Z) | (cf ? 0 : CC_C);
}
#define SSE_HELPER_F(name, elem, num, F)\
void glue(name, SUFFIX) (Reg *d, Reg *s)\
{\
d->elem(0) = F(0);\
d->elem(1) = F(1);\
if (num > 2) {\
d->elem(2) = F(2);\
d->elem(3) = F(3);\
if (num > 4) {\
d->elem(4) = F(4);\
d->elem(5) = F(5);\
d->elem(6) = F(6);\
d->elem(7) = F(7);\
}\
}\
}
SSE_HELPER_F(helper_pmovsxbw, W, 8, (int8_t) s->B)
SSE_HELPER_F(helper_pmovsxbd, L, 4, (int8_t) s->B)
SSE_HELPER_F(helper_pmovsxbq, Q, 2, (int8_t) s->B)
SSE_HELPER_F(helper_pmovsxwd, L, 4, (int16_t) s->W)
SSE_HELPER_F(helper_pmovsxwq, Q, 2, (int16_t) s->W)
SSE_HELPER_F(helper_pmovsxdq, Q, 2, (int32_t) s->L)
SSE_HELPER_F(helper_pmovzxbw, W, 8, s->B)
SSE_HELPER_F(helper_pmovzxbd, L, 4, s->B)
SSE_HELPER_F(helper_pmovzxbq, Q, 2, s->B)
SSE_HELPER_F(helper_pmovzxwd, L, 4, s->W)
SSE_HELPER_F(helper_pmovzxwq, Q, 2, s->W)
SSE_HELPER_F(helper_pmovzxdq, Q, 2, s->L)
void glue(helper_pmuldq, SUFFIX) (Reg *d, Reg *s)
{
d->Q(0) = (int64_t) (int32_t) d->L(0) * (int32_t) s->L(0);
d->Q(1) = (int64_t) (int32_t) d->L(2) * (int32_t) s->L(2);
}
#define FCMPEQQ(d, s) d == s ? -1 : 0
SSE_HELPER_Q(helper_pcmpeqq, FCMPEQQ)
void glue(helper_packusdw, SUFFIX) (Reg *d, Reg *s)
{
d->W(0) = satuw((int32_t) d->L(0));
d->W(1) = satuw((int32_t) d->L(1));
d->W(2) = satuw((int32_t) d->L(2));
d->W(3) = satuw((int32_t) d->L(3));
d->W(4) = satuw((int32_t) s->L(0));
d->W(5) = satuw((int32_t) s->L(1));
d->W(6) = satuw((int32_t) s->L(2));
d->W(7) = satuw((int32_t) s->L(3));
}
#define FMINSB(d, s) MIN((int8_t) d, (int8_t) s)
#define FMINSD(d, s) MIN((int32_t) d, (int32_t) s)
#define FMAXSB(d, s) MAX((int8_t) d, (int8_t) s)
#define FMAXSD(d, s) MAX((int32_t) d, (int32_t) s)
SSE_HELPER_B(helper_pminsb, FMINSB)
SSE_HELPER_L(helper_pminsd, FMINSD)
SSE_HELPER_W(helper_pminuw, MIN)
SSE_HELPER_L(helper_pminud, MIN)
SSE_HELPER_B(helper_pmaxsb, FMAXSB)
SSE_HELPER_L(helper_pmaxsd, FMAXSD)
SSE_HELPER_W(helper_pmaxuw, MAX)
SSE_HELPER_L(helper_pmaxud, MAX)
#define FMULLD(d, s) (int32_t) d * (int32_t) s
SSE_HELPER_L(helper_pmulld, FMULLD)
void glue(helper_phminposuw, SUFFIX) (Reg *d, Reg *s)
{
int idx = 0;
if (s->W(1) < s->W(idx))
idx = 1;
if (s->W(2) < s->W(idx))
idx = 2;
if (s->W(3) < s->W(idx))
idx = 3;
if (s->W(4) < s->W(idx))
idx = 4;
if (s->W(5) < s->W(idx))
idx = 5;
if (s->W(6) < s->W(idx))
idx = 6;
if (s->W(7) < s->W(idx))
idx = 7;
d->Q(1) = 0;
d->L(1) = 0;
d->W(1) = idx;
d->W(0) = s->W(idx);
}
void glue(helper_roundps, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
{
signed char prev_rounding_mode;
prev_rounding_mode = env->sse_status.float_rounding_mode;
if (!(mode & (1 << 2)))
switch (mode & 3) {
case 0:
set_float_rounding_mode(float_round_nearest_even, &env->sse_status);
break;
case 1:
set_float_rounding_mode(float_round_down, &env->sse_status);
break;
case 2:
set_float_rounding_mode(float_round_up, &env->sse_status);
break;
case 3:
set_float_rounding_mode(float_round_to_zero, &env->sse_status);
break;
}
d->L(0) = float64_round_to_int(s->L(0), &env->sse_status);
d->L(1) = float64_round_to_int(s->L(1), &env->sse_status);
d->L(2) = float64_round_to_int(s->L(2), &env->sse_status);
d->L(3) = float64_round_to_int(s->L(3), &env->sse_status);
#if 0 /* TODO */
if (mode & (1 << 3))
set_float_exception_flags(
get_float_exception_flags(&env->sse_status) &
~float_flag_inexact,
&env->sse_status);
#endif
env->sse_status.float_rounding_mode = prev_rounding_mode;
}
void glue(helper_roundpd, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
{
signed char prev_rounding_mode;
prev_rounding_mode = env->sse_status.float_rounding_mode;
if (!(mode & (1 << 2)))
switch (mode & 3) {
case 0:
set_float_rounding_mode(float_round_nearest_even, &env->sse_status);
break;
case 1:
set_float_rounding_mode(float_round_down, &env->sse_status);
break;
case 2:
set_float_rounding_mode(float_round_up, &env->sse_status);
break;
case 3:
set_float_rounding_mode(float_round_to_zero, &env->sse_status);
break;
}
d->Q(0) = float64_round_to_int(s->Q(0), &env->sse_status);
d->Q(1) = float64_round_to_int(s->Q(1), &env->sse_status);
#if 0 /* TODO */
if (mode & (1 << 3))
set_float_exception_flags(
get_float_exception_flags(&env->sse_status) &
~float_flag_inexact,
&env->sse_status);
#endif
env->sse_status.float_rounding_mode = prev_rounding_mode;
}
void glue(helper_roundss, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
{
signed char prev_rounding_mode;
prev_rounding_mode = env->sse_status.float_rounding_mode;
if (!(mode & (1 << 2)))
switch (mode & 3) {
case 0:
set_float_rounding_mode(float_round_nearest_even, &env->sse_status);
break;
case 1:
set_float_rounding_mode(float_round_down, &env->sse_status);
break;
case 2:
set_float_rounding_mode(float_round_up, &env->sse_status);
break;
case 3:
set_float_rounding_mode(float_round_to_zero, &env->sse_status);
break;
}
d->L(0) = float64_round_to_int(s->L(0), &env->sse_status);
#if 0 /* TODO */
if (mode & (1 << 3))
set_float_exception_flags(
get_float_exception_flags(&env->sse_status) &
~float_flag_inexact,
&env->sse_status);
#endif
env->sse_status.float_rounding_mode = prev_rounding_mode;
}
void glue(helper_roundsd, SUFFIX) (Reg *d, Reg *s, uint32_t mode)
{
signed char prev_rounding_mode;
prev_rounding_mode = env->sse_status.float_rounding_mode;
if (!(mode & (1 << 2)))
switch (mode & 3) {
case 0:
set_float_rounding_mode(float_round_nearest_even, &env->sse_status);
break;
case 1:
set_float_rounding_mode(float_round_down, &env->sse_status);
break;
case 2:
set_float_rounding_mode(float_round_up, &env->sse_status);
break;
case 3:
set_float_rounding_mode(float_round_to_zero, &env->sse_status);
break;
}
d->Q(0) = float64_round_to_int(s->Q(0), &env->sse_status);
#if 0 /* TODO */
if (mode & (1 << 3))
set_float_exception_flags(
get_float_exception_flags(&env->sse_status) &
~float_flag_inexact,
&env->sse_status);
#endif
env->sse_status.float_rounding_mode = prev_rounding_mode;
}
#define FBLENDP(d, s, m) m ? s : d
SSE_HELPER_I(helper_blendps, L, 4, FBLENDP)
SSE_HELPER_I(helper_blendpd, Q, 2, FBLENDP)
SSE_HELPER_I(helper_pblendw, W, 8, FBLENDP)
void glue(helper_dpps, SUFFIX) (Reg *d, Reg *s, uint32_t mask)
{
float32 iresult = 0 /*float32_zero*/;
if (mask & (1 << 4))
iresult = float32_add(iresult,
float32_mul(d->L(0), s->L(0), &env->sse_status),
&env->sse_status);
if (mask & (1 << 5))
iresult = float32_add(iresult,
float32_mul(d->L(1), s->L(1), &env->sse_status),
&env->sse_status);
if (mask & (1 << 6))
iresult = float32_add(iresult,
float32_mul(d->L(2), s->L(2), &env->sse_status),
&env->sse_status);
if (mask & (1 << 7))
iresult = float32_add(iresult,
float32_mul(d->L(3), s->L(3), &env->sse_status),
&env->sse_status);
d->L(0) = (mask & (1 << 0)) ? iresult : 0 /*float32_zero*/;
d->L(1) = (mask & (1 << 1)) ? iresult : 0 /*float32_zero*/;
d->L(2) = (mask & (1 << 2)) ? iresult : 0 /*float32_zero*/;
d->L(3) = (mask & (1 << 3)) ? iresult : 0 /*float32_zero*/;
}
void glue(helper_dppd, SUFFIX) (Reg *d, Reg *s, uint32_t mask)
{
float64 iresult = 0 /*float64_zero*/;
if (mask & (1 << 4))
iresult = float64_add(iresult,
float64_mul(d->Q(0), s->Q(0), &env->sse_status),
&env->sse_status);
if (mask & (1 << 5))
iresult = float64_add(iresult,
float64_mul(d->Q(1), s->Q(1), &env->sse_status),
&env->sse_status);
d->Q(0) = (mask & (1 << 0)) ? iresult : 0 /*float64_zero*/;
d->Q(1) = (mask & (1 << 1)) ? iresult : 0 /*float64_zero*/;
}
void glue(helper_mpsadbw, SUFFIX) (Reg *d, Reg *s, uint32_t offset)
{
int s0 = (offset & 3) << 2;
int d0 = (offset & 4) << 0;
int i;
Reg r;
for (i = 0; i < 8; i++, d0++) {
r.W(i) = 0;
r.W(i) += abs1(d->B(d0 + 0) - s->B(s0 + 0));
r.W(i) += abs1(d->B(d0 + 1) - s->B(s0 + 1));
r.W(i) += abs1(d->B(d0 + 2) - s->B(s0 + 2));
r.W(i) += abs1(d->B(d0 + 3) - s->B(s0 + 3));
}
*d = r;
}
/* SSE4.2 op helpers */
/* it's unclear whether signed or unsigned */
#define FCMPGTQ(d, s) d > s ? -1 : 0
SSE_HELPER_Q(helper_pcmpgtq, FCMPGTQ)
static inline int pcmp_elen(int reg, uint32_t ctrl)
{
int val;
/* Presence of REX.W is indicated by a bit higher than 7 set */
if (ctrl >> 8)
val = abs1((int64_t) env->regs[reg]);
else
val = abs1((int32_t) env->regs[reg]);
if (ctrl & 1) {
if (val > 8)
return 8;
} else
if (val > 16)
return 16;
return val;
}
static inline int pcmp_ilen(Reg *r, uint8_t ctrl)
{
int val = 0;
if (ctrl & 1) {
while (val < 8 && r->W(val))
val++;
} else
while (val < 16 && r->B(val))
val++;
return val;
}
static inline int pcmp_val(Reg *r, uint8_t ctrl, int i)
{
switch ((ctrl >> 0) & 3) {
case 0:
return r->B(i);
case 1:
return r->W(i);
case 2:
return (int8_t) r->B(i);
case 3:
default:
return (int16_t) r->W(i);
}
}
static inline unsigned pcmpxstrx(Reg *d, Reg *s,
int8_t ctrl, int valids, int validd)
{
unsigned int res = 0;
int v;
int j, i;
int upper = (ctrl & 1) ? 7 : 15;
valids--;
validd--;
CC_SRC = (valids < upper ? CC_Z : 0) | (validd < upper ? CC_S : 0);
switch ((ctrl >> 2) & 3) {
case 0:
for (j = valids; j >= 0; j--) {
res <<= 1;
v = pcmp_val(s, ctrl, j);
for (i = validd; i >= 0; i--)
res |= (v == pcmp_val(d, ctrl, i));
}
break;
case 1:
for (j = valids; j >= 0; j--) {
res <<= 1;
v = pcmp_val(s, ctrl, j);
for (i = ((validd - 1) | 1); i >= 0; i -= 2)
res |= (pcmp_val(d, ctrl, i - 0) <= v &&
pcmp_val(d, ctrl, i - 1) >= v);
}
break;
case 2:
res = (2 << (upper - MAX(valids, validd))) - 1;
res <<= MAX(valids, validd) - MIN(valids, validd);
for (i = MIN(valids, validd); i >= 0; i--) {
res <<= 1;
v = pcmp_val(s, ctrl, i);
res |= (v == pcmp_val(d, ctrl, i));
}
break;
case 3:
for (j = valids - validd; j >= 0; j--) {
res <<= 1;
res |= 1;
for (i = MIN(upper - j, validd); i >= 0; i--)
res &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));
}
break;
}
switch ((ctrl >> 4) & 3) {
case 1:
res ^= (2 << upper) - 1;
break;
case 3:
res ^= (2 << valids) - 1;
break;
}
if (res)
CC_SRC |= CC_C;
if (res & 1)
CC_SRC |= CC_O;
return res;
}
static inline int rffs1(unsigned int val)
{
int ret = 1, hi;
for (hi = sizeof(val) * 4; hi; hi /= 2)
if (val >> hi) {
val >>= hi;
ret += hi;
}
return ret;
}
static inline int ffs1(unsigned int val)
{
int ret = 1, hi;
for (hi = sizeof(val) * 4; hi; hi /= 2)
if (val << hi) {
val <<= hi;
ret += hi;
}
return ret;
}
void glue(helper_pcmpestri, SUFFIX) (Reg *d, Reg *s, uint32_t ctrl)
{
unsigned int res = pcmpxstrx(d, s, ctrl,
pcmp_elen(R_EDX, ctrl),
pcmp_elen(R_EAX, ctrl));
if (res)
env->regs[R_ECX] = ((ctrl & (1 << 6)) ? rffs1 : ffs1)(res) - 1;
else
env->regs[R_ECX] = 16 >> (ctrl & (1 << 0));
}
void glue(helper_pcmpestrm, SUFFIX) (Reg *d, Reg *s, uint32_t ctrl)
{
int i;
unsigned int res = pcmpxstrx(d, s, ctrl,
pcmp_elen(R_EDX, ctrl),
pcmp_elen(R_EAX, ctrl));
if ((ctrl >> 6) & 1) {
if (ctrl & 1)
for (i = 0; i <= 8; i--, res >>= 1)
d->W(i) = (res & 1) ? ~0 : 0;
else
for (i = 0; i <= 16; i--, res >>= 1)
d->B(i) = (res & 1) ? ~0 : 0;
} else {
d->Q(1) = 0;
d->Q(0) = res;
}
}
void glue(helper_pcmpistri, SUFFIX) (Reg *d, Reg *s, uint32_t ctrl)
{
unsigned int res = pcmpxstrx(d, s, ctrl,
pcmp_ilen(s, ctrl),
pcmp_ilen(d, ctrl));
if (res)
env->regs[R_ECX] = ((ctrl & (1 << 6)) ? rffs1 : ffs1)(res) - 1;
else
env->regs[R_ECX] = 16 >> (ctrl & (1 << 0));
}
void glue(helper_pcmpistrm, SUFFIX) (Reg *d, Reg *s, uint32_t ctrl)
{
int i;
unsigned int res = pcmpxstrx(d, s, ctrl,
pcmp_ilen(s, ctrl),
pcmp_ilen(d, ctrl));
if ((ctrl >> 6) & 1) {
if (ctrl & 1)
for (i = 0; i <= 8; i--, res >>= 1)
d->W(i) = (res & 1) ? ~0 : 0;
else
for (i = 0; i <= 16; i--, res >>= 1)
d->B(i) = (res & 1) ? ~0 : 0;
} else {
d->Q(1) = 0;
d->Q(0) = res;
}
}
#define CRCPOLY 0x1edc6f41
#define CRCPOLY_BITREV 0x82f63b78
target_ulong helper_crc32(uint32_t crc1, target_ulong msg, uint32_t len)
{
target_ulong crc = (msg & ((target_ulong) -1 >>
(TARGET_LONG_BITS - len))) ^ crc1;
while (len--)
crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_BITREV : 0);
return crc;
}
#define POPMASK(i) ((target_ulong) -1 / ((1LL << (1 << i)) + 1))
#define POPCOUNT(n, i) (n & POPMASK(i)) + ((n >> (1 << i)) & POPMASK(i))
target_ulong helper_popcnt(target_ulong n, uint32_t type)
{
CC_SRC = n ? 0 : CC_Z;
n = POPCOUNT(n, 0);
n = POPCOUNT(n, 1);
n = POPCOUNT(n, 2);
n = POPCOUNT(n, 3);
if (type == 1)
return n & 0xff;
n = POPCOUNT(n, 4);
#ifndef TARGET_X86_64
return n;
#else
if (type == 2)
return n & 0xff;
return POPCOUNT(n, 5);
#endif
}
#endif
#undef SHIFT
#undef XMM_ONLY
#undef Reg
#undef B
#undef W
#undef L
#undef Q
#undef SUFFIX
Reference in New Issue View Git Blame Copy Permalink