[AMDGPU] Use v_max_f* for fcanonicalize
If denorms are not flushed we can use max instead of multiplication
by 1. For double that is simply faster, while for float and half
it is shorter, because mul uses constant bus and VOP3.
Differential Revision: https://reviews.llvm.org/D36856
llvm-svn: 312095
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td b/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
index eb335b4..a1b84ba 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
@@ -42,9 +42,12 @@
field bits<32> Inst = 0xffffffff;
}
-def FP16Denormals : Predicate<"Subtarget.hasFP16Denormals()">;
-def FP32Denormals : Predicate<"Subtarget.hasFP32Denormals()">;
-def FP64Denormals : Predicate<"Subtarget.hasFP64Denormals()">;
+def FP16Denormals : Predicate<"Subtarget->hasFP16Denormals()">;
+def FP32Denormals : Predicate<"Subtarget->hasFP32Denormals()">;
+def FP64Denormals : Predicate<"Subtarget->hasFP64Denormals()">;
+def NoFP16Denormals : Predicate<"!Subtarget->hasFP16Denormals()">;
+def NoFP32Denormals : Predicate<"!Subtarget->hasFP32Denormals()">;
+def NoFP64Denormals : Predicate<"!Subtarget->hasFP64Denormals()">;
def UnsafeFPMath : Predicate<"TM.Options.UnsafeFPMath">;
def InstFlag : OperandWithDefaultOps <i32, (ops (i32 0))>;