On Sat, Feb 06, 2016 at 09:54:25AM -0800, H.J. Lu wrote: > On Thu, Feb 4, 2016 at 3:28 PM, Segher Boessenkool > <seg...@kernel.crashing.org> wrote: > > On Tue, Feb 02, 2016 at 11:32:08AM +0000, Segher Boessenkool wrote: > >> As it happens the patch I did over a year ago for PR64682 isn't quite > >> correct. This is PR69567. This fixes it. > >> > >> Tested on the separate testcases; also did bootstrap + testsuite on > >> powerpc64-linux and x86_64-linux. I'll commit this tomorrow or so if > >> no one sees something wrong with it. > >> > >> > >> 2016-02-02 Segher Boessenkool <seg...@kernel.crashing.org> > >> > >> PR rtl-optimization/64682 > >> PR rtl-optimization/69567 > >> * combine.c (distribute_notes) <REG_DEAD>: Place the death note > >> before I2 only if the register is both used and set in I2. > > > > Committed to mainline and 5 now. > > > > This caused: > > FAIL: gcc.c-torture/execute/pr64682.c -O2 execution test > FAIL: gcc.c-torture/execute/pr64682.c -O2 -flto > -fno-use-linker-plugin -flto-partition=none execution test > FAIL: gcc.c-torture/execute/pr64682.c -O2 -flto -fuse-linker-plugin > -fno-fat-lto-objects execution test > FAIL: gcc.c-torture/execute/pr64682.c -O3 -fomit-frame-pointer execution > test > FAIL: gcc.c-torture/execute/pr64682.c -O3 -fomit-frame-pointer > -funroll-all-loops -finline-functions execution test > FAIL: gcc.c-torture/execute/pr64682.c -O3 -fomit-frame-pointer > -funroll-loops execution test > FAIL: gcc.c-torture/execute/pr64682.c -O3 -g execution test > > on x86 on GCC 5 branch. Trunk is OK. Did you miss a backport from > trunk?
I tested it on x86_64-linux. What does "x86" mean, exactly? Note -O2 and -O3 do not exhibit the fail condition on trunk on the 64682 testcase (but -O1 does). Segher
