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author | Josh Conner <jconner@apple.com> | 2005-08-08 18:30:09 +0000 |
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committer | Josh Conner <jconner@gcc.gnu.org> | 2005-08-08 18:30:09 +0000 |
commit | 2d88fcc27deb188430c8192197b69e2e1af54631 (patch) | |
tree | d02eef1e3e51a0c6d9fa7707fd2128a9040ae527 /gcc | |
parent | bf460b19f02df9a6409ebc8e16ba8a3b17eb1813 (diff) | |
download | gcc-2d88fcc27deb188430c8192197b69e2e1af54631.zip gcc-2d88fcc27deb188430c8192197b69e2e1af54631.tar.gz gcc-2d88fcc27deb188430c8192197b69e2e1af54631.tar.bz2 |
re PR rtl-optimization/23241 (Invalid code generated for comparison of uchar to 255)
PR rtl-optimization/23241
* combine.c (simplify_comparison): Fix error in determining
whether to lift a subreg from comparison.
From-SVN: r102869
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/combine.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8df0264..31f2873 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-08-08 Josh Conner <jconner@apple.com> + + PR rtl-optimization/23241 + * combine.c (simplify_comparison): Fix error in determining + whether to lift a subreg from comparison. + 2005-08-08 David Edelsohn <edelsohn@gnu.org> PR target/18506 diff --git a/gcc/combine.c b/gcc/combine.c index d5be605..5628e24 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -10239,7 +10239,7 @@ simplify_comparison (enum rtx_code code, rtx *pop0, rtx *pop1) /* (A - C1) always sign-extends, like C2. */ && num_sign_bit_copies (a, inner_mode) > (unsigned int) (GET_MODE_BITSIZE (inner_mode) - - mode_width - 1))) + - (mode_width - 1)))) { op0 = SUBREG_REG (op0); continue; |