diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIInstructions.td')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstructions.td | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstructions.td b/llvm/lib/Target/AMDGPU/SIInstructions.td index 5cdd139a83f..ed0609da9be 100644 --- a/llvm/lib/Target/AMDGPU/SIInstructions.td +++ b/llvm/lib/Target/AMDGPU/SIInstructions.td @@ -430,9 +430,26 @@ def : Pat < } // End Predicates = [UnsafeFPMath] + +// f16_to_fp patterns +def : Pat < + (f32 (f16_to_fp i32:$src0)), + (V_CVT_F32_F16_e64 SRCMODS.NONE, $src0, DSTCLAMP.NONE, DSTOMOD.NONE) +>; + +def : Pat < + (f32 (f16_to_fp (and_oneuse i32:$src0, 0x7fff))), + (V_CVT_F32_F16_e64 SRCMODS.ABS, $src0, DSTCLAMP.NONE, DSTOMOD.NONE) +>; + +def : Pat < + (f32 (f16_to_fp (or_oneuse i32:$src0, 0x8000))), + (V_CVT_F32_F16_e64 SRCMODS.NEG_ABS, $src0, DSTCLAMP.NONE, DSTOMOD.NONE) +>; + def : Pat < - (f32 (fpextend f16:$src)), - (V_CVT_F32_F16_e32 $src) + (f32 (f16_to_fp (xor_oneuse i32:$src0, 0x8000))), + (V_CVT_F32_F16_e64 SRCMODS.NEG, $src0, DSTCLAMP.NONE, DSTOMOD.NONE) >; def : Pat < @@ -440,9 +457,10 @@ def : Pat < (V_CVT_F64_F32_e32 (V_CVT_F32_F16_e32 $src)) >; +// fp_to_fp16 patterns def : Pat < - (f16 (fpround f32:$src)), - (V_CVT_F16_F32_e32 $src) + (i32 (fp_to_f16 (f32 (VOP3Mods0 f32:$src0, i32:$src0_modifiers, i1:$clamp, i32:$omod)))), + (V_CVT_F16_F32_e64 $src0_modifiers, f32:$src0, $clamp, $omod) >; def : Pat < |
