From 2d88fcc27deb188430c8192197b69e2e1af54631 Mon Sep 17 00:00:00 2001 From: Josh Conner Date: Mon, 8 Aug 2005 18:30:09 +0000 Subject: [PATCH] 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 --- gcc/ChangeLog | 6 ++++++ gcc/combine.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8df02647f8c..31f287388a2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-08-08 Josh Conner + + PR rtl-optimization/23241 + * combine.c (simplify_comparison): Fix error in determining + whether to lift a subreg from comparison. + 2005-08-08 David Edelsohn PR target/18506 diff --git a/gcc/combine.c b/gcc/combine.c index d5be605751a..5628e24f045 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; -- 2.30.2