Re: [PATCH][ARM] Fix PR 59290

2013-11-26 Thread Richard Earnshaw
On 26/11/13 14:49, Kyrill Tkachov wrote: > Hi all, > > In the spirit of stage3, this patch fixes a regression in > gcc.target/arm/negdi-2.c when compiling for big-endian with the new rtx costs > for the Cortex-A9. We ended up generating an extra mov because combine > generates > a zero-extend

[PATCH][ARM] Fix PR 59290

2013-11-26 Thread Kyrill Tkachov
Hi all, In the spirit of stage3, this patch fixes a regression in gcc.target/arm/negdi-2.c when compiling for big-endian with the new rtx costs for the Cortex-A9. We ended up generating an extra mov because combine generates a zero-extend operation that would later get split into two moves (ve