From: Paul Brook <p...@nowt.org> Rewrite the "simple" vector integer helpers in preperation for AVX support.
While the current code is able to use the same prototype for unary (a = F(b)) and binary (a = F(b, c)) operations, future changes will cause them to diverge. No functional changes to existing helpers Signed-off-by: Paul Brook <p...@nowt.org> Message-Id: <20220424220204.2493824-12-p...@nowt.org> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- target/i386/ops_sse.h | 96 +++++++++++++++++-------------------------- 1 file changed, 38 insertions(+), 58 deletions(-) diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index a1d3fbc482..0b5a8a9b34 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -223,63 +223,36 @@ void glue(helper_pslldq, SUFFIX)(CPUX86State *env, Reg *d, Reg *c) } #endif -#define SSE_HELPER_B(name, F) \ +#define SSE_HELPER_1(name, elem, num, F) \ void glue(name, SUFFIX)(CPUX86State *env, 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)); \ - ) \ - } + int n = num; \ + for (int i = 0; i < n; i++) { \ + d->elem(i) = F(s->elem(i)); \ + } \ + } + +#define SSE_HELPER_2(name, elem, num, F) \ + void glue(name, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) \ + { \ + Reg *v = d; \ + int n = num; \ + for (int i = 0; i < n; i++) { \ + d->elem(i) = F(v->elem(i), s->elem(i)); \ + } \ + } + +#define SSE_HELPER_B(name, F) \ + SSE_HELPER_2(name, B, 8 << SHIFT, F) #define SSE_HELPER_W(name, F) \ - void glue(name, SUFFIX)(CPUX86State *env, 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)); \ - ) \ - } + SSE_HELPER_2(name, W, 4 << SHIFT, F) #define SSE_HELPER_L(name, F) \ - void glue(name, SUFFIX)(CPUX86State *env, 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)); \ - ) \ - } + SSE_HELPER_2(name, L, 2 << SHIFT, F) #define SSE_HELPER_Q(name, F) \ - void glue(name, SUFFIX)(CPUX86State *env, 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)); \ - ) \ - } + SSE_HELPER_2(name, Q, 1 << SHIFT, F) #if SHIFT == 0 static inline int satub(int x) @@ -400,12 +373,19 @@ 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) +#if SHIFT == 0 +void glue(helper_pmulhrw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) +{ + d->W(0) = FMULHRW(d->W(0), s->W(0)); + d->W(1) = FMULHRW(d->W(1), s->W(1)); + d->W(2) = FMULHRW(d->W(2), s->W(2)); + d->W(3) = FMULHRW(d->W(3), s->W(3)); +} +#endif + SSE_HELPER_B(helper_pavgb, FAVG) SSE_HELPER_W(helper_pavgw, FAVG) @@ -1538,12 +1518,12 @@ void glue(helper_phsubsw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) MOVE(*d, r); } -#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 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_1(helper_pabsb, B, 8 << SHIFT, FABSB) +SSE_HELPER_1(helper_pabsw, W, 4 << SHIFT, FABSW) +SSE_HELPER_1(helper_pabsd, L, 2 << SHIFT, FABSL) #define FMULHRSW(d, s) (((int16_t) d * (int16_t)s + 0x4000) >> 15) SSE_HELPER_W(helper_pmulhrsw, FMULHRSW) -- 2.37.1