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| author | Michael Munday <munday@ca.ibm.com> | 2016-09-12 14:50:10 -0400 |
|---|---|---|
| committer | Michael Munday <munday@ca.ibm.com> | 2016-09-13 19:39:38 +0000 |
| commit | 6ec993adc3373d31392b301ebe0c376b02d68051 (patch) | |
| tree | ab8e5c5afe559521792464976e0dc8f0101d9779 /src/cmd/compile/internal/ssa/schedule.go | |
| parent | b7e53038b8abb4d82cf25cb844395af602150a29 (diff) | |
| download | go-6ec993adc3373d31392b301ebe0c376b02d68051.tar.gz go-6ec993adc3373d31392b301ebe0c376b02d68051.zip | |
cmd/compile: add SSA backend for s390x and enable by default
The new SSA backend modifies the ABI slightly: R0 is now a usable
general purpose register.
Fixes #16677.
Change-Id: I367435ce921e0c7e79e021c80cf8ef5d1d1466cf
Reviewed-on: https://go-review.googlesource.com/28978
Run-TryBot: Michael Munday <munday@ca.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Diffstat (limited to 'src/cmd/compile/internal/ssa/schedule.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/schedule.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/ssa/schedule.go b/src/cmd/compile/internal/ssa/schedule.go index ffc816b00f..0cfd327446 100644 --- a/src/cmd/compile/internal/ssa/schedule.go +++ b/src/cmd/compile/internal/ssa/schedule.go @@ -84,7 +84,10 @@ func schedule(f *Func) { // Compute score. Larger numbers are scheduled closer to the end of the block. for _, v := range b.Values { switch { - case v.Op == OpAMD64LoweredGetClosurePtr || v.Op == OpPPC64LoweredGetClosurePtr || v.Op == OpARMLoweredGetClosurePtr || v.Op == OpARM64LoweredGetClosurePtr || v.Op == Op386LoweredGetClosurePtr || v.Op == OpMIPS64LoweredGetClosurePtr: + case v.Op == OpAMD64LoweredGetClosurePtr || v.Op == OpPPC64LoweredGetClosurePtr || + v.Op == OpARMLoweredGetClosurePtr || v.Op == OpARM64LoweredGetClosurePtr || + v.Op == Op386LoweredGetClosurePtr || v.Op == OpMIPS64LoweredGetClosurePtr || + v.Op == OpS390XLoweredGetClosurePtr: // We also score GetLoweredClosurePtr as early as possible to ensure that the // context register is not stomped. GetLoweredClosurePtr should only appear // in the entry block where there are no phi functions, so there is no |