Re: [PATCH 5/5] Remove CANNOT_CHANGE_MODE_CLASS workaround in i386.c

2014-09-19 Thread Jeff Law
On 09/18/14 04:26, Richard Sandiford wrote: Patch 4 should make it possible to relax i386'a CANNOT_CHANGE_MODE_CLASS, solving the missed optimisation that triggered the original thread. gcc/ * config/i386/i386.c (ix86_cannot_change_mode_class): Remove GET_MODE_SIZE (to) < GET_MO

[PATCH 5/5] Remove CANNOT_CHANGE_MODE_CLASS workaround in i386.c

2014-09-18 Thread Richard Sandiford
Patch 4 should make it possible to relax i386'a CANNOT_CHANGE_MODE_CLASS, solving the missed optimisation that triggered the original thread. gcc/ * config/i386/i386.c (ix86_cannot_change_mode_class): Remove GET_MODE_SIZE (to) < GET_MODE_SIZE (from) test. Index: gcc/config/i386/i