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| author | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2015-08-19 15:16:14 -0400 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2015-09-15 23:01:32 -0400 |
| commit | 328cdc448ca7ab6dd7efbf595472a0d49da3651a (patch) | |
| tree | 1387247d073eb29abe1f124418b5bff9e1999dc9 /lisc/isel.c | |
| parent | ce82136e960ae2c152b1b925c1ebbb62cbc29e41 (diff) | |
| download | roux-328cdc448ca7ab6dd7efbf595472a0d49da3651a.tar.gz | |
alloc16 comes for free, iiuc the abi
Diffstat (limited to 'lisc/isel.c')
| -rw-r--r-- | lisc/isel.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lisc/isel.c b/lisc/isel.c index 91df7dc..dd70a57 100644 --- a/lisc/isel.c +++ b/lisc/isel.c @@ -234,7 +234,7 @@ Emit: /* if this is not a fast alloc * we need to make sure * the stack remains aligned - * (rsp + 8 = 0) mod 16 + * (rsp = 0) mod 16 */ if (req(i.to, R)) break; @@ -244,16 +244,14 @@ Emit: if (val < 0 || val > INT32_MAX) diag("isel: alloc too large"); emit(OAlloc, i.to, newcon(val, fn), R); - } else if (i.op < OAlloc1) { + } else { /* r0 = (i.arg[0] + 15) & -16 */ r0 = newtmp(TLong, fn); r1 = newtmp(TLong, fn); emit(OAlloc, i.to, r0, R); emit(OAnd, r0, r1, newcon(-16, fn)); emit(OAdd, r1, i.arg[0], newcon(15, fn)); - } else - /* todo, support it! */ - diag("isel: unsupported alloc alignment"); + } break; default: if (OCmp <= i.op && i.op <= OCmp1) { |