diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/ARM64.rules')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/ARM64.rules | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/ARM64.rules b/src/cmd/compile/internal/ssa/gen/ARM64.rules index b722d1cf1c..4b66883f26 100644 --- a/src/cmd/compile/internal/ssa/gen/ARM64.rules +++ b/src/cmd/compile/internal/ssa/gen/ARM64.rules @@ -1723,33 +1723,33 @@ (TSTshiftRO x (MOVDconst [c]) [d]) => (TSTconst x [rotateRight64(c, d)]) // simplification with *shift ops -(SUBshiftLL x (SLLconst x [c]) [d]) && c==d => (MOVDconst [0]) -(SUBshiftRL x (SRLconst x [c]) [d]) && c==d => (MOVDconst [0]) -(SUBshiftRA x (SRAconst x [c]) [d]) && c==d => (MOVDconst [0]) -(ANDshiftLL x y:(SLLconst x [c]) [d]) && c==d => y -(ANDshiftRL x y:(SRLconst x [c]) [d]) && c==d => y -(ANDshiftRA x y:(SRAconst x [c]) [d]) && c==d => y -(ANDshiftRO x y:(RORconst x [c]) [d]) && c==d => y -(ORshiftLL x y:(SLLconst x [c]) [d]) && c==d => y -(ORshiftRL x y:(SRLconst x [c]) [d]) && c==d => y -(ORshiftRA x y:(SRAconst x [c]) [d]) && c==d => y -(ORshiftRO x y:(RORconst x [c]) [d]) && c==d => y -(XORshiftLL x (SLLconst x [c]) [d]) && c==d => (MOVDconst [0]) -(XORshiftRL x (SRLconst x [c]) [d]) && c==d => (MOVDconst [0]) -(XORshiftRA x (SRAconst x [c]) [d]) && c==d => (MOVDconst [0]) -(XORshiftRO x (RORconst x [c]) [d]) && c==d => (MOVDconst [0]) -(BICshiftLL x (SLLconst x [c]) [d]) && c==d => (MOVDconst [0]) -(BICshiftRL x (SRLconst x [c]) [d]) && c==d => (MOVDconst [0]) -(BICshiftRA x (SRAconst x [c]) [d]) && c==d => (MOVDconst [0]) -(BICshiftRO x (RORconst x [c]) [d]) && c==d => (MOVDconst [0]) -(EONshiftLL x (SLLconst x [c]) [d]) && c==d => (MOVDconst [-1]) -(EONshiftRL x (SRLconst x [c]) [d]) && c==d => (MOVDconst [-1]) -(EONshiftRA x (SRAconst x [c]) [d]) && c==d => (MOVDconst [-1]) -(EONshiftRO x (RORconst x [c]) [d]) && c==d => (MOVDconst [-1]) -(ORNshiftLL x (SLLconst x [c]) [d]) && c==d => (MOVDconst [-1]) -(ORNshiftRL x (SRLconst x [c]) [d]) && c==d => (MOVDconst [-1]) -(ORNshiftRA x (SRAconst x [c]) [d]) && c==d => (MOVDconst [-1]) -(ORNshiftRO x (RORconst x [c]) [d]) && c==d => (MOVDconst [-1]) +(SUBshiftLL (SLLconst x [c]) x [c]) => (MOVDconst [0]) +(SUBshiftRL (SRLconst x [c]) x [c]) => (MOVDconst [0]) +(SUBshiftRA (SRAconst x [c]) x [c]) => (MOVDconst [0]) +(ANDshiftLL y:(SLLconst x [c]) x [c]) => y +(ANDshiftRL y:(SRLconst x [c]) x [c]) => y +(ANDshiftRA y:(SRAconst x [c]) x [c]) => y +(ANDshiftRO y:(RORconst x [c]) x [c]) => y +(ORshiftLL y:(SLLconst x [c]) x [c]) => y +(ORshiftRL y:(SRLconst x [c]) x [c]) => y +(ORshiftRA y:(SRAconst x [c]) x [c]) => y +(ORshiftRO y:(RORconst x [c]) x [c]) => y +(XORshiftLL (SLLconst x [c]) x [c]) => (MOVDconst [0]) +(XORshiftRL (SRLconst x [c]) x [c]) => (MOVDconst [0]) +(XORshiftRA (SRAconst x [c]) x [c]) => (MOVDconst [0]) +(XORshiftRO (RORconst x [c]) x [c]) => (MOVDconst [0]) +(BICshiftLL (SLLconst x [c]) x [c]) => (MOVDconst [0]) +(BICshiftRL (SRLconst x [c]) x [c]) => (MOVDconst [0]) +(BICshiftRA (SRAconst x [c]) x [c]) => (MOVDconst [0]) +(BICshiftRO (RORconst x [c]) x [c]) => (MOVDconst [0]) +(EONshiftLL (SLLconst x [c]) x [c]) => (MOVDconst [-1]) +(EONshiftRL (SRLconst x [c]) x [c]) => (MOVDconst [-1]) +(EONshiftRA (SRAconst x [c]) x [c]) => (MOVDconst [-1]) +(EONshiftRO (RORconst x [c]) x [c]) => (MOVDconst [-1]) +(ORNshiftLL (SLLconst x [c]) x [c]) => (MOVDconst [-1]) +(ORNshiftRL (SRLconst x [c]) x [c]) => (MOVDconst [-1]) +(ORNshiftRA (SRAconst x [c]) x [c]) => (MOVDconst [-1]) +(ORNshiftRO (RORconst x [c]) x [c]) => (MOVDconst [-1]) // Generate rotates with const shift (ADDshiftLL [c] (SRLconst x [64-c]) x) => (RORconst [64-c] x) |