diff options
Diffstat (limited to 'lisc/ssa.c')
-rw-r--r-- | lisc/ssa.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/lisc/ssa.c b/lisc/ssa.c index 96d6a34..6ce9a82 100644 --- a/lisc/ssa.c +++ b/lisc/ssa.c @@ -102,7 +102,7 @@ static Ref topdef(Blk *b, Fn *f) { uint i; - int t1; + int s1; Ref r; Phi *p; @@ -115,8 +115,8 @@ topdef(Blk *b, Fn *f) return r; } /* add a phi node */ - t1 = f->ntmp++; - r = SYM(t1); + s1 = f->nsym++; + r = SYM(s1); top[b->id] = r; p = alloc(sizeof *p); p->link = b->phi; @@ -137,7 +137,7 @@ void ssafix(Fn *f, int t) { uint n; - int t0, t1; + int s0, s1; Ref rt; Blk *b; Phi *p; @@ -146,31 +146,31 @@ ssafix(Fn *f, int t) top = alloc(f->nblk * sizeof top[0]); bot = alloc(f->nblk * sizeof bot[0]); rt = SYM(t); - t0 = f->ntmp; + s0 = f->nsym; for (b=f->start; b; b=b->link) { - t1 = 0; + s1 = 0; /* rename defs and some in-blocks uses */ for (p=b->phi; p; p=p->link) if (req(p->to, rt)) { - t1 = f->ntmp++; - p->to = SYM(t1); + s1 = f->nsym++; + p->to = SYM(s1); } for (i=b->ins; i-b->ins < b->nins; i++) { - if (t1) { + if (s1) { if (req(i->arg[0], rt)) - i->arg[0] = SYM(t1); + i->arg[0] = SYM(s1); if (req(i->arg[1], rt)) - i->arg[1] = SYM(t1); + i->arg[1] = SYM(s1); } if (req(i->to, rt)) { - t1 = f->ntmp++; - i->to = SYM(t1); + s1 = f->nsym++; + i->to = SYM(s1); } } - if (t1 && req(b->jmp.arg, rt)) - b->jmp.arg = SYM(t1); + if (s1 && req(b->jmp.arg, rt)) + b->jmp.arg = SYM(s1); top[b->id] = R; - bot[b->id] = t1 ? SYM(t1) : R; + bot[b->id] = s1 ? SYM(s1) : R; } for (b=f->start; b; b=b->link) { for (p=b->phi; p; p=p->link) @@ -187,13 +187,13 @@ ssafix(Fn *f, int t) b->jmp.arg = topdef(b, f); } /* add new symbols */ - f->sym = realloc(f->sym, f->ntmp * sizeof f->sym[0]); + f->sym = realloc(f->sym, f->nsym * sizeof f->sym[0]); if (!f->sym) diag("ssafix: out of memory"); - for (t1=t0; t0<f->ntmp; t0++) { - f->sym[t0] = f->sym[t]; - snprintf(f->sym[t0].name, NString, "%s%d", - f->sym[t].name, t0-t1); + for (s1=s0; s0<f->nsym; s0++) { + f->sym[s0] = f->sym[t]; + snprintf(f->sym[s0].name, NString, "%s%d", + f->sym[t].name, s0-s1); } free(top); free(bot); |