diff options
Diffstat (limited to 'lib/Target/R600/AMDGPUInstructions.td')
| -rw-r--r-- | lib/Target/R600/AMDGPUInstructions.td | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/Target/R600/AMDGPUInstructions.td b/lib/Target/R600/AMDGPUInstructions.td index fa890c15e6d..4b37a53687d 100644 --- a/lib/Target/R600/AMDGPUInstructions.td +++ b/lib/Target/R600/AMDGPUInstructions.td @@ -261,6 +261,26 @@ class DwordAddrPat<ValueType vt, RegisterClass rc> : Pat < (vt rc:$addr) >; +// BFI_INT patterns + +multiclass BFIPatterns <Instruction BFI_INT> { + + // Definition from ISA doc: + // (y & x) | (z & ~x) + def : Pat < + (or (and i32:$y, i32:$x), (and i32:$z, (not i32:$x))), + (BFI_INT $x, $y, $z) + >; + + // SHA-256 Ch function + // z ^ (x & (y ^ z)) + def : Pat < + (xor i32:$z, (and i32:$x, (xor i32:$y, i32:$z))), + (BFI_INT $x, $y, $z) + >; + +} + include "R600Instructions.td" include "SIInstrInfo.td" |