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| author | kan <kan@FreeBSD.org> | 2006-08-26 21:29:10 +0000 |
|---|---|---|
| committer | kan <kan@FreeBSD.org> | 2006-08-26 21:29:10 +0000 |
| commit | ab6c6e434e4ca0bf593007d49dee6eceb73286c0 (patch) | |
| tree | 843ffc6140f66bf60562adb1bf8d3d82b9739b5e /contrib/gcc/loop.c | |
| parent | 8a6911d2bb988a943624cbf4e4041b827d9ade53 (diff) | |
| download | FreeBSD-src-ab6c6e434e4ca0bf593007d49dee6eceb73286c0.zip FreeBSD-src-ab6c6e434e4ca0bf593007d49dee6eceb73286c0.tar.gz | |
Gcc 3.4.6 as of 2006/08/25 #116475.
Diffstat (limited to 'contrib/gcc/loop.c')
| -rw-r--r-- | contrib/gcc/loop.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/contrib/gcc/loop.c b/contrib/gcc/loop.c index 4ddd77a..fa74b8e 100644 --- a/contrib/gcc/loop.c +++ b/contrib/gcc/loop.c @@ -8396,17 +8396,6 @@ check_dbra_loop (struct loop *loop, int insn_count) /* First check if we can do a vanilla loop reversal. */ if (initial_value == const0_rtx - /* If we have a decrement_and_branch_on_count, - prefer the NE test, since this will allow that - instruction to be generated. Note that we must - use a vanilla loop reversal if the biv is used to - calculate a giv or has a non-counting use. */ -#if ! defined (HAVE_decrement_and_branch_until_zero) \ -&& defined (HAVE_decrement_and_branch_on_count) - && (! (add_val == 1 && loop->vtop - && (bl->biv_count == 0 - || no_use_except_counting))) -#endif && GET_CODE (comparison_value) == CONST_INT /* Now do postponed overflow checks on COMPARISON_VAL. */ && ! (((comparison_val - add_val) ^ INTVAL (comparison_value)) @@ -8418,13 +8407,6 @@ check_dbra_loop (struct loop *loop, int insn_count) nonneg = 1; cmp_code = GE; } - else if (add_val == 1 && loop->vtop - && (bl->biv_count == 0 - || no_use_except_counting)) - { - add_adjust = 0; - cmp_code = NE; - } else return 0; |
