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authorRichard Kenner <kenner@gcc.gnu.org>1995-06-08 18:58:06 -0400
committerRichard Kenner <kenner@gcc.gnu.org>1995-06-08 18:58:06 -0400
commitf737b1326e7bd0c786c1d3a49b22e7a2feff6c11 (patch)
tree55e2ccfd8b1e05ed5cd8c486d7e3028ca25a5a3a /gcc/expmed.c
parentcd5b346969cbe1799f10575533ace379cdb75652 (diff)
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(expand_divmod): Always check result of emit_store_flag.
From-SVN: r9905
Diffstat (limited to 'gcc/expmed.c')
-rw-r--r--gcc/expmed.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c
index b6f6d82..e2d31be 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -2858,7 +2858,6 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
result. */
quotient = emit_store_flag (tquotient, GEU, op0, op1,
compute_mode, 1, 1);
- /* Can emit_store_flag have failed? */
if (quotient == 0)
goto fail1;
}
@@ -2957,10 +2956,14 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
else if (d == -1)
quotient = expand_unop (compute_mode, neg_optab, op0,
tquotient, 0);
- else if (INTVAL (op1) == (HOST_WIDE_INT) 1 << (size - 1))
- /* This case is not handled correctly below. */
- quotient = emit_store_flag (tquotient, EQ, op0, op1,
- compute_mode, 1, 1);
+ else if (abs_d == (unsigned HOST_WIDE_INT) 1 << (size - 1))
+ {
+ /* This case is not handled correctly below. */
+ quotient = emit_store_flag (tquotient, EQ, op0, op1,
+ compute_mode, 1, 1);
+ if (quotient == 0)
+ goto fail1;
+ }
else if (EXACT_POWER_OF_2_OR_ZERO_P (d)
&& (rem_flag ? smod_pow2_cheap : sdiv_pow2_cheap))
;