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gc: maybe the code is only mostly dead

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R=ken2
CC=golang-dev
https://golang.org/cl/2346044
This commit is contained in:
Russ Cox 2010-10-07 06:36:39 -04:00
parent 2ad521c19a
commit 53fff1e74d
1 changed files with 0 additions and 11 deletions
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11
src/cmd/gc/gen.c
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@ -257,17 +257,6 @@ gen(Node *n)
break; break;
case OIF: case OIF:
if(n->ntest == N || n->ntest->op == OLITERAL) {
// drop dead code in if true or if false.
// the linker will do it for us in general,
// but this avoids writnig to the object file
// in a very common case.
if(n->ntest == N || n->ntest->val.u.bval)
genlist(n->nbody);
else
genlist(n->nelse);
break;
}
p1 = gjmp(P); // goto test p1 = gjmp(P); // goto test
p2 = gjmp(P); // p2: goto else p2 = gjmp(P); // p2: goto else
patch(p1, pc); // test: patch(p1, pc); // test: