This is the mail archive of the
gcc-cvs@gcc.gnu.org
mailing list for the GCC project.
r237813 - in /trunk/gcc: ChangeLog config/rs600...
- From: segher at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 28 Jun 2016 05:56:42 -0000
- Subject: r237813 - in /trunk/gcc: ChangeLog config/rs600...
Author: segher
Date: Tue Jun 28 05:56:41 2016
New Revision: 237813
URL: https://gcc.gnu.org/viewcvs?rev=237813&root=gcc&view=rev
Log:
rs6000: Fix split of ashdi3_extswsli_dot for memory (PR71670)
The splitter for ashdi3_extswsli_dot for cr0 with memory uses emit_insn
gen_ashdi3_extswsli_dot, which does not work because that emits a scratch,
while the splitter runs after reload so there should be a real register
instead. We can laboriously fix that up, or emit using
gen_ashdi3_extswsli_dot2 instead. This patch does the latter.
PR target/71670
* config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
gcc/testsuite/
PR target/71670
* gcc.target/powerpc/pr71670.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.target/powerpc/pr71670.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/rs6000.md
trunk/gcc/testsuite/ChangeLog