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cmd/compile: use soft-float routines for soft-float targets

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Updates #18162 (mostly fixes)

Change-Id: I35bcb8a688bdaa432adb0ddbb73a2f7adda47b9e
Reviewed-on: https://go-review.googlesource.com/37958
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Vladimir Stefanovic 2017-11-10 18:08:48 +01:00 • committed by Brad Fitzpatrick
parent f0f62fcc46
commit 6be1c09e19
11 changed files with 271 additions and 41 deletions
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15
src/cmd/compile/internal/gc/subr.go
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@ -1165,6 +1165,21 @@ func calcHasCall(n *Node) bool {
// These ops might panic, make sure they are done
// before we start marshaling args for a call. See issue 16760.
return true
// When using soft-float, these ops might be rewritten to function calls
// so we ensure they are evaluated first.
case OADD, OSUB, OMINUS:
if thearch.SoftFloat && (isFloat[n.Type.Etype] || isComplex[n.Type.Etype]) {
return true
}
case OLT, OEQ, ONE, OLE, OGE, OGT:
if thearch.SoftFloat && (isFloat[n.Left.Type.Etype] || isComplex[n.Left.Type.Etype]) {
return true
}
case OCONV:
if thearch.SoftFloat && ((isFloat[n.Type.Etype] || isComplex[n.Type.Etype]) || (isFloat[n.Left.Type.Etype] || isComplex[n.Left.Type.Etype])) {
return true
}
}
if n.Left != nil && n.Left.HasCall() {