diff options
Diffstat (limited to 'llvm/lib/Target/R600/SIInstructions.td')
| -rw-r--r-- | llvm/lib/Target/R600/SIInstructions.td | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/llvm/lib/Target/R600/SIInstructions.td b/llvm/lib/Target/R600/SIInstructions.td index af8d3b3d080..8d2c212dc15 100644 --- a/llvm/lib/Target/R600/SIInstructions.td +++ b/llvm/lib/Target/R600/SIInstructions.td @@ -2328,12 +2328,20 @@ def : Pat < // TODO: Look into not implementing isFNegFree/isFAbsFree for SI, and possibly // removing these patterns - def : Pat < (fneg (fabs f32:$src)), (V_OR_B32_e32 $src, (V_MOV_B32_e32 0x80000000)) /* Set sign bit */ >; +def : Pat < + (fneg (fabs f64:$src)), + (f64 (INSERT_SUBREG + (INSERT_SUBREG (f64 (IMPLICIT_DEF)), + (i32 (EXTRACT_SUBREG f64:$src, sub0)), sub0), + (V_OR_B32_e32 (S_MOV_B32 0x80000000), + (EXTRACT_SUBREG f64:$src, sub1)), sub1)) // Set sign bit. +>; + class SIUnaryCustomInsertInst<string name, SDPatternOperator node, ValueType vt, RegisterClass dstrc, |
