Commit 7e0218cd authored by Michael Munday's avatar Michael Munday

cmd/compile: remove unnecessary OpSB checks in S390X.rules

Reversed, indexed and multi-register stores/loads cannot accept SB
inputs. Therefore if one of these Ops is an input to a rule any
pointer that is an argument to that Op cannot be OpSB.

Change-Id: Ib8048362d1c6277122afec0d13a1c905290d69cb
Reviewed-on: https://go-review.googlesource.com/30131
Run-TryBot: Michael Munday <munday@ca.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: default avatarKeith Randall <khr@golang.org>
parent 7aab88a3
......@@ -1005,52 +1005,42 @@
-> (MOVDstore [i-4] {s} p w0 mem)
(MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [8] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVHstoreidx [i-1] {s} p idx w mem)
(MOVBstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRDconst [j+8] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVHstoreidx [i-1] {s} p idx w0 mem)
(MOVBstoreidx [i] {s} p idx w x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [8] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVHstoreidx [i-1] {s} p idx w mem)
(MOVBstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx (SRWconst [j+8] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVHstoreidx [i-1] {s} p idx w0 mem)
(MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [16] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWstoreidx [i-2] {s} p idx w mem)
(MOVHstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRDconst [j+16] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWstoreidx [i-2] {s} p idx w0 mem)
(MOVHstoreidx [i] {s} p idx w x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [16] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWstoreidx [i-2] {s} p idx w mem)
(MOVHstoreidx [i] {s} p idx w0:(SRWconst [j] w) x:(MOVHstoreidx [i-2] {s} p idx (SRWconst [j+16] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWstoreidx [i-2] {s} p idx w0 mem)
(MOVWstoreidx [i] {s} p idx w x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [32] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVDstoreidx [i-4] {s} p idx w mem)
(MOVWstoreidx [i] {s} p idx w0:(SRDconst [j] w) x:(MOVWstoreidx [i-4] {s} p idx (SRDconst [j+32] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVDstoreidx [i-4] {s} p idx w0 mem)
......@@ -1079,83 +1069,67 @@
&& clobber(x)
-> (MOVHBRstore [i-1] {s} p w0 mem)
(MOVHBRstore [i] {s} p (SRDconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWBRstore [i-2] {s} p w mem)
(MOVHBRstore [i] {s} p (SRDconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRDconst [j-16] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWBRstore [i-2] {s} p w0 mem)
(MOVHBRstore [i] {s} p (SRWconst [16] w) x:(MOVHBRstore [i-2] {s} p w mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWBRstore [i-2] {s} p w mem)
(MOVHBRstore [i] {s} p (SRWconst [j] w) x:(MOVHBRstore [i-2] {s} p w0:(SRWconst [j-16] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWBRstore [i-2] {s} p w0 mem)
(MOVWBRstore [i] {s} p (SRDconst [32] w) x:(MOVWBRstore [i-4] {s} p w mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVDBRstore [i-4] {s} p w mem)
(MOVWBRstore [i] {s} p (SRDconst [j] w) x:(MOVWBRstore [i-4] {s} p w0:(SRDconst [j-32] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVDBRstore [i-4] {s} p w0 mem)
(MOVBstoreidx [i] {s} p idx (SRDconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVHBRstoreidx [i-1] {s} p idx w mem)
(MOVBstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRDconst [j-8] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
(MOVBstoreidx [i] {s} p idx (SRWconst [8] w) x:(MOVBstoreidx [i-1] {s} p idx w mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVHBRstoreidx [i-1] {s} p idx w mem)
(MOVBstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVBstoreidx [i-1] {s} p idx w0:(SRWconst [j-8] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVHBRstoreidx [i-1] {s} p idx w0 mem)
(MOVHBRstoreidx [i] {s} p idx (SRDconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWBRstoreidx [i-2] {s} p idx w mem)
(MOVHBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRDconst [j-16] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
(MOVHBRstoreidx [i] {s} p idx (SRWconst [16] w) x:(MOVHBRstoreidx [i-2] {s} p idx w mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWBRstoreidx [i-2] {s} p idx w mem)
(MOVHBRstoreidx [i] {s} p idx (SRWconst [j] w) x:(MOVHBRstoreidx [i-2] {s} p idx w0:(SRWconst [j-16] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVWBRstoreidx [i-2] {s} p idx w0 mem)
(MOVWBRstoreidx [i] {s} p idx (SRDconst [32] w) x:(MOVWBRstoreidx [i-4] {s} p idx w mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVDBRstoreidx [i-4] {s} p idx w mem)
(MOVWBRstoreidx [i] {s} p idx (SRDconst [j] w) x:(MOVWBRstoreidx [i-4] {s} p idx w0:(SRDconst [j-32] w) mem))
&& p.Op != OpSB
&& x.Uses == 1
&& clobber(x)
-> (MOVDBRstoreidx [i-4] {s} p idx w0 mem)
......@@ -1258,7 +1232,6 @@
// b[0] | b[1]<<8 -> load 16-bit, reverse bytes
(ORW x0:(MOVBZloadidx [i] {s} p idx mem)
s0:(SLWconst [8] x1:(MOVBZloadidx [i+1] {s} p idx mem)))
&& p.Op != OpSB
&& x0.Uses == 1
&& x1.Uses == 1
&& s0.Uses == 1
......@@ -1272,7 +1245,6 @@
(ORW o0:(ORW z0:(MOVHZreg x0:(MOVHBRloadidx [i] {s} p idx mem))
s0:(SLWconst [16] x1:(MOVBZloadidx [i+2] {s} p idx mem)))
s1:(SLWconst [24] x2:(MOVBZloadidx [i+3] {s} p idx mem)))
&& p.Op != OpSB
&& z0.Uses == 1
&& x0.Uses == 1
&& x1.Uses == 1
......@@ -1300,7 +1272,6 @@
s4:(SLDconst [40] x5:(MOVBZloadidx [i+5] {s} p idx mem)))
s5:(SLDconst [48] x6:(MOVBZloadidx [i+6] {s} p idx mem)))
s6:(SLDconst [56] x7:(MOVBZloadidx [i+7] {s} p idx mem)))
&& p.Op != OpSB
&& x0.Uses == 1
&& x1.Uses == 1
&& x2.Uses == 1
......@@ -1440,7 +1411,6 @@
// b[1] | b[0]<<8 -> load 16-bit
(ORW x0:(MOVBZloadidx [i] {s} p idx mem)
s0:(SLWconst [8] x1:(MOVBZloadidx [i-1] {s} p idx mem)))
&& p.Op != OpSB
&& x0.Uses == 1
&& x1.Uses == 1
&& s0.Uses == 1
......@@ -1454,7 +1424,6 @@
(ORW o0:(ORW x0:(MOVHZloadidx [i] {s} p idx mem)
s0:(SLWconst [16] x1:(MOVBZloadidx [i-1] {s} p idx mem)))
s1:(SLWconst [24] x2:(MOVBZloadidx [i-2] {s} p idx mem)))
&& p.Op != OpSB
&& x0.Uses == 1
&& x1.Uses == 1
&& x2.Uses == 1
......@@ -1480,7 +1449,6 @@
s4:(SLDconst [40] x5:(MOVBZloadidx [i-5] {s} p idx mem)))
s5:(SLDconst [48] x6:(MOVBZloadidx [i-6] {s} p idx mem)))
s6:(SLDconst [56] x7:(MOVBZloadidx [i-7] {s} p idx mem)))
&& p.Op != OpSB
&& x0.Uses == 1
&& x1.Uses == 1
&& x2.Uses == 1
......@@ -1535,19 +1503,16 @@
&& clobber(x)
-> (STM2 [i-4] {s} p w0 w1 mem)
(MOVWstore [i] {s} p w2 x:(STM2 [i-8] {s} p w0 w1 mem))
&& p.Op != OpSB
&& x.Uses == 1
&& is20Bit(i-8)
&& clobber(x)
-> (STM3 [i-8] {s} p w0 w1 w2 mem)
(MOVWstore [i] {s} p w3 x:(STM3 [i-12] {s} p w0 w1 w2 mem))
&& p.Op != OpSB
&& x.Uses == 1
&& is20Bit(i-12)
&& clobber(x)
-> (STM4 [i-12] {s} p w0 w1 w2 w3 mem)
(STM2 [i] {s} p w2 w3 x:(STM2 [i-8] {s} p w0 w1 mem))
&& p.Op != OpSB
&& x.Uses == 1
&& is20Bit(i-8)
&& clobber(x)
......@@ -1560,19 +1525,16 @@
&& clobber(x)
-> (STMG2 [i-8] {s} p w0 w1 mem)
(MOVDstore [i] {s} p w2 x:(STMG2 [i-16] {s} p w0 w1 mem))
&& p.Op != OpSB
&& x.Uses == 1
&& is20Bit(i-16)
&& clobber(x)
-> (STMG3 [i-16] {s} p w0 w1 w2 mem)
(MOVDstore [i] {s} p w3 x:(STMG3 [i-24] {s} p w0 w1 w2 mem))
&& p.Op != OpSB
&& x.Uses == 1
&& is20Bit(i-24)
&& clobber(x)
-> (STMG4 [i-24] {s} p w0 w1 w2 w3 mem)
(STMG2 [i] {s} p w2 w3 x:(STMG2 [i-16] {s} p w0 w1 mem))
&& p.Op != OpSB
&& x.Uses == 1
&& is20Bit(i-16)
&& clobber(x)
......
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