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| author | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2015-09-14 18:06:53 -0400 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2015-09-15 23:01:33 -0400 |
| commit | bad74e6dce897df9f21cea5bf0a32df298856351 (patch) | |
| tree | 09399d0568c8a6af0528e7f91bfbefc352197b09 | |
| parent | ee46ff8dad6782a739fefd176e55a70754787917 (diff) | |
| download | roux-bad74e6dce897df9f21cea5bf0a32df298856351.tar.gz | |
emit stack fixup only when necessary
| -rw-r--r-- | lisc/isel.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lisc/isel.c b/lisc/isel.c index 6d15488..6928a1a 100644 --- a/lisc/isel.c +++ b/lisc/isel.c @@ -500,11 +500,13 @@ selcall(Fn *fn, Ins *i0, Ins *i1) if (rtype(i1->arg[1]) == RTyp) diag("struct-returning function not implemented"); + if (stk) { + r = newcon(-(int64_t)stk, fn); + emit(OSAlloc, 0, R, r, R); + } for (n=0; n<8; n++) emit(OCopy, 0, R, TMP(ireg[n]), R); emit(OCopy, i1->wide, i1->to, TMP(RAX), R); - r = newcon(-(int64_t)stk, fn); - emit(OSAlloc, 0, R, r, R); emit(OCall, 0, R, i->arg[0], R); emit(OCopy, 1, TMP(RAX), R, R); for (n=6-nint; n<8; n++) |