Generate FMA instructions with AVX2 (when possible).

Issue #320.
2012-08-03 10:43:41 -07:00
parent e6aec96e05
commit 19d8f2e258
3 changed files with 22 additions and 2 deletions
--- a/ispc.h
+++ b/ispc.h
@@ -304,6 +304,10 @@ struct Opt {
        performance in the generated code). */
    bool disableAsserts;

+    /** Indicates whether FMA instructions should be disabled (on targets
+        that support them). */
+    bool disableFMA;
+
    /** If enabled, disables the various optimizations that kick in when
        the execution mask can be determined to be "all on" at compile
        time. */