aaron/ispc
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Pass log/exp/pow transcendentals through to targets that support them.

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Currently, this is the generic targets.
This commit is contained in:
Matt Pharr
2012-05-03 13:46:56 -07:00
parent 7d7e99a92c
commit 0c1b206185
7 changed files with 172 additions and 8 deletions
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9
ispc.cpp
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@@ -197,6 +197,9 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
t->arch = arch;
}
// This is the case for most of them
t->hasHalf = t->hasTranscendentals = false;
if (!strcasecmp(isa, "sse2")) {
t->isa = Target::SSE2;
t->nativeVectorWidth = 4;
@@ -256,6 +259,8 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
t->maskingIsFree = true;
t->allOffMaskIsSafe = true;
t->maskBitCount = 1;
t->hasHalf = true;
t->hasTranscendentals = true;
}
else if (!strcasecmp(isa, "generic-32")) {
t->isa = Target::GENERIC;
@@ -264,6 +269,8 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
t->maskingIsFree = true;
t->allOffMaskIsSafe = true;
t->maskBitCount = 1;
t->hasHalf = true;
t->hasTranscendentals = true;
}
else if (!strcasecmp(isa, "generic-1")) {
t->isa = Target::GENERIC;
@@ -300,6 +307,7 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
t->maskingIsFree = false;
t->allOffMaskIsSafe = false;
t->maskBitCount = 32;
t->hasHalf = true;
}
else if (!strcasecmp(isa, "avx2-x2")) {
t->isa = Target::AVX2;
@@ -309,6 +317,7 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
t->maskingIsFree = false;
t->allOffMaskIsSafe = false;
t->maskBitCount = 32;
t->hasHalf = true;
}
#endif // !LLVM_3_0
else {