------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-03-24 05:58 ------- Subject: Bug 20532
CVSROOT: /cvs/gcc Module name: gcc Changes by: [EMAIL PROTECTED] 2005-03-24 05:57:52 Modified files: gcc : ChangeLog simplify-rtx.c gcc/testsuite : ChangeLog Added files: gcc/testsuite/gcc.target/i386: badshift.c Log message: gcc/ChangeLog: PR rtl-optimization/20532 * simplify-rtx.c (simplify_binary_operation_1): Protect from overflow when adding coefficients for PLUS or MINUS. (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of two as multiplier. gcc/testsuite/ChangeLog: PR rtl-optimization/20532 * gcc.target/i386/badshift.c: New. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7981&r2=2.7982 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.234&r2=1.235 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5205&r2=1.5206 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.target/i386/badshift.c.diff?cvsroot=gcc&r1=NONE&r2=1.1 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20532