diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 7 |
2 files changed, 5 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5f6d4a3..e4ca979 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2014-09-22 Richard Sandiford <richard.sandiford@arm.com> + * config/i386/i386.c (ix86_cannot_change_mode_class): Remove + GET_MODE_SIZE (to) < GET_MODE_SIZE (from) test. + +2014-09-22 Richard Sandiford <richard.sandiford@arm.com> + * hard-reg-set.h: Include hash-table.h. (target_hard_regs): Add a finalize method and a x_simplifiable_subregs field. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index c932436..ed3d85e 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -37522,13 +37522,6 @@ ix86_cannot_change_mode_class (enum machine_mode from, enum machine_mode to, the vec_dupv4hi pattern. */ if (GET_MODE_SIZE (from) < 4) return true; - - /* Vector registers do not support subreg with nonzero offsets, which - are otherwise valid for integer registers. Since we can't see - whether we have a nonzero offset from here, prohibit all - nonparadoxical subregs changing size. */ - if (GET_MODE_SIZE (to) < GET_MODE_SIZE (from)) - return true; } return false; |