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Commit ff80d8ba authored by Michael Munday's avatar Michael Munday
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cmd/compile: remove redundant checks in s390x SSA rules 

CL 38337 modified canMergeLoad to reject loads with multiple uses
so it is no longer necessary to check this in the SSA rules.

Change-Id: I03498390e778da1be8cb59ae0948e99289008315
Reviewed-on: https://go-review.googlesource.com/38473
Run-TryBot: Michael Munday <munday@ca.ibm.com>
Reviewed-by: default avatarKeith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
parent c3a50ad3
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 99 additions and 99 deletions
src/cmd/compile/internal/ssa/gen/S390X.rules
View file @ ff80d8ba
......@@ -1038,71 +1038,71 @@
// Exclude global data (SB) because these instructions cannot handle relative addresses.
// TODO(mundaym): use LARL in the assembler to handle SB?
// TODO(mundaym): indexed versions of these?
(ADD <t> x g:(MOVDload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ADD <t> x g:(MOVDload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ADDload <t> [off] {sym} x ptr mem)
(ADD <t> g:(MOVDload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ADD <t> g:(MOVDload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ADDload <t> [off] {sym} x ptr mem)
(ADDW <t> x g:(MOVWload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ADDW <t> x g:(MOVWload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ADDWload <t> [off] {sym} x ptr mem)
(ADDW <t> g:(MOVWload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ADDW <t> g:(MOVWload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ADDWload <t> [off] {sym} x ptr mem)
(ADDW <t> x g:(MOVWZload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ADDW <t> x g:(MOVWZload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ADDWload <t> [off] {sym} x ptr mem)
(ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ADDW <t> g:(MOVWZload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ADDWload <t> [off] {sym} x ptr mem)
(MULLD <t> x g:(MOVDload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(MULLD <t> x g:(MOVDload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (MULLDload <t> [off] {sym} x ptr mem)
(MULLD <t> g:(MOVDload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(MULLD <t> g:(MOVDload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (MULLDload <t> [off] {sym} x ptr mem)
(MULLW <t> x g:(MOVWload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(MULLW <t> x g:(MOVWload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (MULLWload <t> [off] {sym} x ptr mem)
(MULLW <t> g:(MOVWload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(MULLW <t> g:(MOVWload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (MULLWload <t> [off] {sym} x ptr mem)
(MULLW <t> x g:(MOVWZload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(MULLW <t> x g:(MOVWZload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (MULLWload <t> [off] {sym} x ptr mem)
(MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(MULLW <t> g:(MOVWZload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (MULLWload <t> [off] {sym} x ptr mem)
(SUB <t> x g:(MOVDload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(SUB <t> x g:(MOVDload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (SUBload <t> [off] {sym} x ptr mem)
(SUBW <t> x g:(MOVWload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(SUBW <t> x g:(MOVWload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (SUBWload <t> [off] {sym} x ptr mem)
(SUBW <t> x g:(MOVWZload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(SUBW <t> x g:(MOVWZload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (SUBWload <t> [off] {sym} x ptr mem)
(AND <t> x g:(MOVDload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(AND <t> x g:(MOVDload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ANDload <t> [off] {sym} x ptr mem)
(AND <t> g:(MOVDload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(AND <t> g:(MOVDload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ANDload <t> [off] {sym} x ptr mem)
(ANDW <t> x g:(MOVWload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ANDW <t> x g:(MOVWload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ANDWload <t> [off] {sym} x ptr mem)
(ANDW <t> g:(MOVWload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ANDW <t> g:(MOVWload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ANDWload <t> [off] {sym} x ptr mem)
(ANDW <t> x g:(MOVWZload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ANDW <t> x g:(MOVWZload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ANDWload <t> [off] {sym} x ptr mem)
(ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ANDW <t> g:(MOVWZload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ANDWload <t> [off] {sym} x ptr mem)
(OR <t> x g:(MOVDload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(OR <t> x g:(MOVDload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ORload <t> [off] {sym} x ptr mem)
(OR <t> g:(MOVDload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(OR <t> g:(MOVDload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ORload <t> [off] {sym} x ptr mem)
(ORW <t> x g:(MOVWload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ORW <t> x g:(MOVWload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ORWload <t> [off] {sym} x ptr mem)
(ORW <t> g:(MOVWload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ORW <t> g:(MOVWload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ORWload <t> [off] {sym} x ptr mem)
(ORW <t> x g:(MOVWZload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ORW <t> x g:(MOVWZload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ORWload <t> [off] {sym} x ptr mem)
(ORW <t> g:(MOVWZload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(ORW <t> g:(MOVWZload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (ORWload <t> [off] {sym} x ptr mem)
(XOR <t> x g:(MOVDload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(XOR <t> x g:(MOVDload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (XORload <t> [off] {sym} x ptr mem)
(XOR <t> g:(MOVDload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(XOR <t> g:(MOVDload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (XORload <t> [off] {sym} x ptr mem)
(XORW <t> x g:(MOVWload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(XORW <t> x g:(MOVWload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (XORWload <t> [off] {sym} x ptr mem)
(XORW <t> g:(MOVWload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(XORW <t> g:(MOVWload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (XORWload <t> [off] {sym} x ptr mem)
(XORW <t> x g:(MOVWZload [off] {sym} ptr mem)) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(XORW <t> x g:(MOVWZload [off] {sym} ptr mem)) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (XORWload <t> [off] {sym} x ptr mem)
(XORW <t> g:(MOVWZload [off] {sym} ptr mem) x) && g.Uses == 1 && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
(XORW <t> g:(MOVWZload [off] {sym} ptr mem) x) && ptr.Op != OpSB && is20Bit(off) && canMergeLoad(v, g, x) && clobber(g)
-> (XORWload <t> [off] {sym} x ptr mem)
// Combine constant stores into larger (unaligned) stores.
......
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