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| author | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2015-08-15 20:48:30 -0400 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2015-09-15 23:01:31 -0400 |
| commit | abbe53285f032e4804d86baff59ac5ac49795df7 (patch) | |
| tree | 1ba1ed4d50a5a1e88711684481c525bcb7e01851 /lisc/rega.c | |
| parent | 4699fb7663961b3dab2591f2165be62fda47c3e8 (diff) | |
| download | roux-abbe53285f032e4804d86baff59ac5ac49795df7.tar.gz | |
clobber check code was wrong in dopm()
Diffstat (limited to 'lisc/rega.c')
| -rw-r--r-- | lisc/rega.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/lisc/rega.c b/lisc/rega.c index b31f7a4..d6445c3 100644 --- a/lisc/rega.c +++ b/lisc/rega.c @@ -238,17 +238,17 @@ dopm(Blk *b, Ins *i, RMap *m) else if (isreg(i->arg[0])) for (;; i--) { r = RBASE(i->arg[0].val); - if (req(i->to, R)) { - if (BGET(m->b, r)) { - for (n=0; m->r[n] != r; n++) - assert(n+1 < m->n); - t = m->t[n]; - rfree(m, t); - BSET(m->b, r); - rt = ralloc(m, t); - pmadd(rt, i->arg[0]); - } - } else if (BGET(m->b, i->to.val)) { + if (BGET(m->b, r)) { + for (n=0; m->r[n] != r; n++) + assert(n+1 < m->n); + t = m->t[n]; + rfree(m, t); + BSET(m->b, r); + rt = ralloc(m, t); + BCLR(m->b, r); + pmadd(rt, i->arg[0]); + } + if (!req(i->to, R) && BGET(m->b, i->to.val)) { rt = reg(rfree(m, i->to.val), i->to.val); pmadd(i->arg[0], rt); } |