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cmd/compile/internal/gc: OMUL should be evaluated when using soft-float

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When using soft-float, OMUL might be rewritten to function call
so we should ensure it was evaluated first.

Fixes #28688

Change-Id: I30b87501782fff62d35151f394a1c22b0d490c6c
Reviewed-on: https://go-review.googlesource.com/c/148837
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Milan Knezevic 2018-11-09 18:30:46 +01:00 • committed by Cherry Zhang
parent 0a72e8eefb
commit c92e73b702
2 changed files with 32 additions and 1 deletions
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2
src/cmd/compile/internal/gc/subr.go
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@ -1006,7 +1006,7 @@ func calcHasCall(n *Node) bool {
// When using soft-float, these ops might be rewritten to function calls
// so we ensure they are evaluated first.
case OADD, OSUB, OMINUS:
case OADD, OSUB, OMINUS, OMUL:
if thearch.SoftFloat && (isFloat[n.Type.Etype] || isComplex[n.Type.Etype]) {
return true
}