Emit gather instructions for the AVX2 targets.

Issue #308.
2012-07-13 12:29:05 -07:00
parent 984a68c3a9
commit 6a410fc30e
4 changed files with 808 additions and 29 deletions
--- a/ispc.cpp
+++ b/ispc.cpp
@@ -365,6 +365,7 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
 #if !defined(LLVM_3_1)
        // LLVM 3.2+ only
        t->hasRand = true;
+        t->hasGather = true;
 #endif
    }
    else if (!strcasecmp(isa, "avx2-x2")) {
@@ -378,6 +379,7 @@ Target::GetTarget(const char *arch, const char *cpu, const char *isa,
 #if !defined(LLVM_3_1)
        // LLVM 3.2+ only
        t->hasRand = true;
+        t->hasGather = true;
 #endif
    }
 #endif // !LLVM_3_0