R600/SI: Add pattern for flog2

22 more little piglits with radeonsi.

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174615 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 50605d07a9ad22b35c9ad06d8b55bb52c706df7e..d33e1139d26a488594feefb5f0c8272bc0400ffd 100644 (file)
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -615,7 +615,9 @@ defm V_EXP_F32 : VOP1_32 <0x00000025, "V_EXP_F32",
   [(set VReg_32:$dst, (fexp2 AllReg_32:$src0))]
 >;
 defm V_LOG_CLAMP_F32 : VOP1_32 <0x00000026, "V_LOG_CLAMP_F32", []>;
-defm V_LOG_F32 : VOP1_32 <0x00000027, "V_LOG_F32", []>;
+defm V_LOG_F32 : VOP1_32 <0x00000027, "V_LOG_F32",
+  [(set VReg_32:$dst, (flog2 AllReg_32:$src0))]
+>;
 defm V_RCP_CLAMP_F32 : VOP1_32 <0x00000028, "V_RCP_CLAMP_F32", []>;
 defm V_RCP_LEGACY_F32 : VOP1_32 <0x00000029, "V_RCP_LEGACY_F32", []>;
 defm V_RCP_F32 : VOP1_32 <0x0000002a, "V_RCP_F32",