Re: [PATCH, rtl-optimization]: Enhance post-reload compare elimination pass to handle arithmetic operations with implicit extensions

2012-04-24 Thread Uros Bizjak
On Tue, Apr 24, 2012 at 6:56 PM, Uros Bizjak ubiz...@gmail.com wrote: Back to converting x86 to post-reload compare elimination pass. Arithmetic operations in x86_64 can implicitly zero extend the result, and set flags according to the non-extended result. Following testcase should exercise

Re: [PATCH, rtl-optimization]: Enhance post-reload compare elimination pass to handle arithmetic operations with implicit extensions

2012-04-24 Thread Richard Henderson
On 04/24/12 09:56, Uros Bizjak wrote: 2012-04-24 Uros Bizjak ubiz...@gmail.com * compare-elim.c (try_eliminate_compare): Also handle operands with implicit extensions. Ok. r~