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Compile-time option GLOBAL_OPT defined. If set, the resulting

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peephole optimizer will be suitable for optimizing the output of
the global optimizer. In particular, it doesn't change the register
messages.
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em 1984-09-14 10:25:07 +00:00
parent c97e1a7bc2
commit 2c4b17e464
1 changed files with 5 additions and 0 deletions
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5
util/opt/reg.c
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@ -93,9 +93,14 @@ outregs() {
incregusage(off) offset off; { incregusage(off) offset off; {
register reg_p rp; register reg_p rp;
#ifndef GLOBAL_OPT
/* If we're optimizing the output of the global optimizer
* we must not change the count fields of the register messages.
*/
for(rp=curpro.freg; rp != (reg_p) 0; rp=rp->r_next) for(rp=curpro.freg; rp != (reg_p) 0; rp=rp->r_next)
if (rp->r_par[0]==off) { if (rp->r_par[0]==off) {
rp->r_par[3]++; rp->r_par[3]++;
return; return;
} }
#endif
} }