diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/stackalloc.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/stackalloc.go | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/cmd/compile/internal/ssa/stackalloc.go b/src/cmd/compile/internal/ssa/stackalloc.go index 85a55ece7c..0bd64a1a14 100644 --- a/src/cmd/compile/internal/ssa/stackalloc.go +++ b/src/cmd/compile/internal/ssa/stackalloc.go @@ -9,12 +9,16 @@ package ssa func stackalloc(f *Func) { home := f.RegAlloc - // First compute the size of the outargs section. - n := int64(16) //TODO: compute max of all callsites - - // Include one slot for deferreturn. - if false && n < f.Config.ptrSize { //TODO: check for deferreturn - n = f.Config.ptrSize + // Start with space for callee arguments/returns. + var n int64 + for _, b := range f.Blocks { + if b.Kind != BlockCall { + continue + } + v := b.Control + if n < v.AuxInt { + n = v.AuxInt + } } // TODO: group variables by ptr/nonptr, size, etc. Emit ptr vars last |