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Add support for 1-wide scalar target.

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Issue #40.
This commit is contained in:
Gabe Weisz
2012-01-28 15:31:42 -05:00
committed by Matt Pharr
parent c96fef6bc8
commit c67a286aa6
5 changed files with 1025 additions and 4 deletions
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10
ispc.cpp
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@@ -185,6 +185,14 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
t->allOffMaskIsSafe = true;
t->maskBitCount = 1;
}
else if (!strcasecmp(isa, "generic-1")) {
t->isa = Target::GENERIC;
t->nativeVectorWidth = 1;
t->vectorWidth = 1;
t->maskingIsFree = false;
t->allOffMaskIsSafe = false;
t->maskBitCount = 32;
}
#if defined(LLVM_3_0) || defined(LLVM_3_0svn) || defined(LLVM_3_1svn)
else if (!strcasecmp(isa, "avx")) {
t->isa = Target::AVX;
@@ -270,7 +278,7 @@ Target::SupportedTargetISAs() {
#ifdef LLVM_3_1svn
", avx2, avx2-x2"
#endif // LLVM_3_1svn
", generic-4, generic-8, generic-16";
", generic-4, generic-8, generic-16, generic-1";
}