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Add "double-wide" sse2-x2 target.

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i.e. run 8 program instances together, along the lines of the double-pumped
sse4-x2 target.
This commit is contained in:
Matt Pharr
2011-10-11 15:17:31 -07:00
parent 1198520029
commit 286c23426e
14 changed files with 1543 additions and 806 deletions
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8
ispc.cpp
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@@ -129,6 +129,12 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
t->vectorWidth = 4;
t->attributes = "+sse,+sse2,-sse3,-sse41,-sse42,-sse4a,-ssse3,-popcnt";
}
else if (!strcasecmp(isa, "sse2-x2")) {
t->isa = Target::SSE2;
t->nativeVectorWidth = 4;
t->vectorWidth = 8;
t->attributes = "+sse,+sse2,-sse3,-sse41,-sse42,-sse4a,-ssse3,-popcnt";
}
else if (!strcasecmp(isa, "sse4")) {
t->isa = Target::SSE4;
t->nativeVectorWidth = 4;
@@ -193,7 +199,7 @@ Target::SupportedTargetArchs() {
const char *
Target::SupportedTargetISAs() {
return "sse2, sse4, sse4-x2"
return "sse2, sse2-x2, sse4, sse4-x2"
#if defined(LLVM_3_0) || defined(LLVM_3_0svn)
", avx, avx-x2"
#endif