diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/S390X.rules')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/S390X.rules | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/S390X.rules b/src/cmd/compile/internal/ssa/gen/S390X.rules index c3421da0a2..e4a1cd6981 100644 --- a/src/cmd/compile/internal/ssa/gen/S390X.rules +++ b/src/cmd/compile/internal/ssa/gen/S390X.rules @@ -142,6 +142,8 @@ (Round x) => (FIDBR [1] x) (FMA x y z) => (FMADD z x y) +(Sqrt32 ...) => (FSQRTS ...) + // Atomic loads and stores. // The SYNC instruction (fast-BCR-serialization) prevents store-load // reordering. Other sequences of memory operations (load-load, @@ -1420,6 +1422,16 @@ && clobber(x) => (MOVDBRstore [i-4] {s} p w0 mem) +(MOVBstore [7] p1 (SRDconst w) + x1:(MOVHBRstore [5] p1 (SRDconst w) + x2:(MOVWBRstore [1] p1 (SRDconst w) + x3:(MOVBstore p1 w mem)))) + && x1.Uses == 1 + && x2.Uses == 1 + && x3.Uses == 1 + && clobber(x1, x2, x3) + => (MOVDBRstore p1 w mem) + // Combining byte loads into larger (unaligned) loads. // Big-endian loads |