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cmd/gc: implement revised rule for shifts in equality.

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R=rsc, daniel.morsing
CC=golang-dev
https://golang.org/cl/7613046
This commit is contained in:
Rémy Oudompheng 2013-03-20 00:19:11 +01:00
parent 1b6b1bc66e
commit 465ff4cfc0
1 changed files with 6 additions and 3 deletions
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9
src/cmd/gc/const.c
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@ -1211,6 +1211,7 @@ void
defaultlit2(Node **lp, Node **rp, int force)
{
Node *l, *r;
int lkind, rkind;
l = *lp;
r = *rp;
@ -1230,18 +1231,20 @@ defaultlit2(Node **lp, Node **rp, int force)
convlit(lp, types[TBOOL]);
convlit(rp, types[TBOOL]);
}
if(isconst(l, CTCPLX) || isconst(r, CTCPLX)) {
lkind = idealkind(l);
rkind = idealkind(r);
if(lkind == CTCPLX || rkind == CTCPLX) {
convlit(lp, types[TCOMPLEX128]);
convlit(rp, types[TCOMPLEX128]);
return;
}
if(isconst(l, CTFLT) || isconst(r, CTFLT)) {
if(lkind == CTFLT || rkind == CTFLT) {
convlit(lp, types[TFLOAT64]);
convlit(rp, types[TFLOAT64]);
return;
}
if(isconst(l, CTRUNE) || isconst(r, CTRUNE)) {
if(lkind == CTRUNE || rkind == CTRUNE) {
convlit(lp, runetype);
convlit(rp, runetype);
return;