From 4242b1bd8acc19aaaacffdaad4ac23213d72a72b Mon Sep 17 00:00:00 2001 From: balrog Date: Thu, 25 Sep 2008 18:01:46 +0000 Subject: Implement x86 SSSE3 instructions. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5315 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-i386/ops_sse.h | 147 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 146 insertions(+), 1 deletion(-) (limited to 'target-i386/ops_sse.h') diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h index 7568681835..4fa8e06624 100644 --- a/target-i386/ops_sse.h +++ b/target-i386/ops_sse.h @@ -1,5 +1,5 @@ /* - * MMX/3DNow!/SSE/SSE2/SSE3/PNI support + * MMX/3DNow!/SSE/SSE2/SSE3/SSSE3/PNI support * * Copyright (c) 2005 Fabrice Bellard * @@ -1275,6 +1275,151 @@ void helper_pswapd(MMXReg *d, MMXReg *s) } #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; +} + #undef SHIFT #undef XMM_ONLY #undef Reg -- cgit v1.2.1