AndrewZhaoLuo commented on code in PR #11906:
URL: https://github.com/apache/tvm/pull/11906#discussion_r907607721
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src/target/codegen.cc:
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@@ -54,6 +55,13 @@ runtime::Module Build(IRModule mod, Target target) {
// the build function.
std::string build_f_name = "target.build." + target->kind->name;
+ if (target->kind->name == "llvm" && !(_mm_getcsr() & 0x8040)) {
+ LOG(WARNING) << "Set FLUSH_TO_ZERO ON by default in Build on LLVM."<<
std::endl;
+ //DAZ
+ _mm_setcsr( _mm_getcsr() | 0x0040 );
+ //FTZ
+ _mm_setcsr( _mm_getcsr() | 0x8000 );
+ }
Review Comment:
Is this portable?
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