Thanks for the review. Comments addressed and patch committed. The problem exists on gcc-4_9 too. Is it ok for gcc-4_9-branch? Will wait another day to commit it to gcc-4_9 if it is ok.
Thanks, Wei. On Thu, Jan 22, 2015 at 9:39 AM, Jeff Law <l...@redhat.com> wrote: > On 01/21/15 15:32, Wei Mi wrote: >> >> Hi, >> >> The patch is to address the bug here: >> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64557 >> >> It is to call get_addr for VALUE before forming a mem_addr expr with >> the VALUE and an offset. This is to avoid the problem that get_addr >> can only handle VALUE but cannot handle an expr like: (VALUE + >> offset). With the fix, find_base_term can always get the base of the >> original addr. >> >> bootstrap and regression test on x86_64-linux-gnu are ok. regression >> tests on aarch64-linux-gnu and powerpc64-linux-gnu are also ok. Is it >> ok for trunk? >> >> Thanks, >> Wei. >> >> gcc/ChangeLog: >> >> 2015-01-21 Wei Mi <w...@google.com> >> >> * dse.c (record_store): Call get_addr for mem_addr. >> (check_mem_read_rtx): Likewise. > > Please add a PR marker to the ChangeLog entry. A testcase would be great, > but from reading the PR that doesn't seem possible without some heroic > efforts. > > OK with the PR marker and a comment before the two calls indicating why > those two calls are necessary. > > jeff >