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cmd/6g: cosmetic improvements to regopt debugging.

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R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/6528044
This commit is contained in:
Rémy Oudompheng 2012-09-21 20:20:26 +02:00
parent 57ad05db15
commit 413fbed341
1 changed files with 13 additions and 2 deletions
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15
src/cmd/6g/reg.c
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@ -743,6 +743,9 @@ loop2:
brk:
qsort(region, nregion, sizeof(region[0]), rcmp);
if(debug['R'] && debug['v'])
dumpit("pass5", firstr);
/*
* pass 6
* determine used registers (paint2)
@ -753,8 +756,16 @@ brk:
bit = blsh(rgp->varno);
vreg = paint2(rgp->enter, rgp->varno);
vreg = allreg(vreg, rgp);
if(rgp->regno != 0)
if(rgp->regno != 0) {
if(debug['R'] && debug['v']) {
Var *v;
v = var + rgp->varno;
print("registerize %N+%d (bit=%2d et=%2E) in %R\n",
v->node, v->offset, rgp->varno, v->etype, rgp->regno);
}
paint3(rgp->enter, rgp->varno, vreg, rgp->regno);
}
rgp++;
}
@ -1027,7 +1038,7 @@ mkvar(Reg *r, Adr *a)
v->node = node;
if(debug['R'])
print("bit=%2d et=%2d w=%d %#N %D\n", i, et, w, node, a);
print("bit=%2d et=%2E w=%d %#N %D\n", i, et, w, node, a);
ostats.nvar++;
bit = blsh(i);