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vctsxs, vctuxs.

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This commit is contained in:
Ben Vanik
2014-01-09 21:20:03 -08:00
parent 478781e0dc
commit 2980a30f30
5 changed files with 90 additions and 19 deletions
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62
src/alloy/backend/ivm/ivm_intcode.cc
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@@ -1114,7 +1114,7 @@ int Translate_ROUND(TranslationContext& ctx, Instr* i) {
}
}
uint32_t IntCode_VECTOR_CONVERT_I2F(IntCodeState& ics, const IntCode* i) {
uint32_t IntCode_VECTOR_CONVERT_I2F_S(IntCodeState& ics, const IntCode* i) {
const vec128_t& src1 = ics.rf[i->src1_reg].v128;
vec128_t& dest = ics.rf[i->dest_reg].v128;
dest.f4[0] = (float)(int32_t)src1.i4[0];
@@ -1133,7 +1133,63 @@ uint32_t IntCode_VECTOR_CONVERT_I2F_U(IntCodeState& ics, const IntCode* i) {
return IA_NEXT;
}
int Translate_VECTOR_CONVERT_I2F(TranslationContext& ctx, Instr* i) {
return DispatchToC(ctx, i, IntCode_VECTOR_CONVERT_I2F);
if (i->flags & ARITHMETIC_UNSIGNED) {
return DispatchToC(ctx, i, IntCode_VECTOR_CONVERT_I2F_U);
} else {
return DispatchToC(ctx, i, IntCode_VECTOR_CONVERT_I2F_S);
}
}
uint32_t IntCode_VECTOR_CONVERT_F2I(IntCodeState& ics, const IntCode* i) {
const vec128_t& src1 = ics.rf[i->src1_reg].v128;
vec128_t& dest = ics.rf[i->dest_reg].v128;
if (i->flags & ARITHMETIC_UNSIGNED) {
dest.i4[0] = (uint32_t)src1.f4[0];
dest.i4[1] = (uint32_t)src1.f4[1];
dest.i4[2] = (uint32_t)src1.f4[2];
dest.i4[3] = (uint32_t)src1.f4[3];
} else {
dest.i4[0] = (int32_t)src1.f4[0];
dest.i4[1] = (int32_t)src1.f4[1];
dest.i4[2] = (int32_t)src1.f4[2];
dest.i4[3] = (int32_t)src1.f4[3];
}
return IA_NEXT;
}
uint32_t IntCode_VECTOR_CONVERT_F2I_SAT(IntCodeState& ics, const IntCode* i) {
const vec128_t& src1 = ics.rf[i->src1_reg].v128;
vec128_t& dest = ics.rf[i->dest_reg].v128;
if (i->flags & ARITHMETIC_UNSIGNED) {
for (int n = 0; n < 4; n++) {
float src = src1.f4[n];
if (src < 0) {
dest.i4[n] = 0;
} else if (src > UINT_MAX) {
dest.i4[n] = UINT_MAX;
} else {
dest.i4[n] = (uint32_t)src;
}
}
} else {
for (int n = 0; n < 4; n++) {
float src = src1.f4[n];
if (src < INT_MIN) {
dest.i4[n] = INT_MIN;
} else if (src > INT_MAX) {
dest.i4[n] = INT_MAX;
} else {
dest.i4[n] = (int32_t)src;
}
}
}
return IA_NEXT;
}
int Translate_VECTOR_CONVERT_F2I(TranslationContext& ctx, Instr* i) {
if (i->flags & ARITHMETIC_SATURATE) {
return DispatchToC(ctx, i, IntCode_VECTOR_CONVERT_F2I_SAT);
} else {
return DispatchToC(ctx, i, IntCode_VECTOR_CONVERT_F2I);
}
}
static uint8_t __lvsl_table[17][16] = {
@@ -3583,7 +3639,7 @@ static const TranslateFn dispatch_table[] = {
Translate_CONVERT,
Translate_ROUND,
Translate_VECTOR_CONVERT_I2F,
TranslateInvalid, //Translate_VECTOR_CONVERT_F2I,
Translate_VECTOR_CONVERT_F2I,
Translate_LOAD_VECTOR_SHL,
Translate_LOAD_VECTOR_SHR,