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* [Bug target/94123] New: [10 regression] r10-7093 causes gcc.target/powerpc/pr87507.c to fail
@ 2020-03-10 14:53 seurer at gcc dot gnu.org
  2020-03-10 14:57 ` [Bug target/94123] " seurer at gcc dot gnu.org
                   ` (13 more replies)
  0 siblings, 14 replies; 15+ messages in thread
From: seurer at gcc dot gnu.org @ 2020-03-10 14:53 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94123

            Bug ID: 94123
           Summary: [10 regression] r10-7093 causes
                    gcc.target/powerpc/pr87507.c to fail
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

Executing on host: /home3/seurer/gcc/git/build/gcc-test2/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-test2/gcc/
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/gcc.target/powerpc/pr87507.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never  -O2 -mdejagnu-cpu=power8
-ffat-lto-objects -fno-ident -S -o pr87507.s    (timeout = 300)
spawn -ignore SIGHUP /home3/seurer/gcc/git/build/gcc-test2/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-test2/gcc/
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/gcc.target/powerpc/pr87507.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O2 -mdejagnu-cpu=power8
-ffat-lto-objects -fno-ident -S -o pr87507.s
PASS: gcc.target/powerpc/pr87507.c (test for excess errors)
gcc.target/powerpc/pr87507.c: \\mstd\\M found 6 times
FAIL: gcc.target/powerpc/pr87507.c scan-assembler-times \\mstd\\M 4
FAIL: gcc.target/powerpc/pr87507.c scan-assembler-not \\mld\\M
Executing on host: /home3/seurer/gcc/git/build/gcc-test2/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-test2/gcc/ vmx_hw_available12365.c   
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never  -fdiagnostics-urls=never  -mno-vsx  -lm  -o
vmx_hw_available12365.exe    (timeout = 300)
spawn -ignore SIGHUP /home3/seurer/gcc/git/build/gcc-test2/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-test2/gcc/ vmx_hw_available12365.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -mno-vsx -lm -o
vmx_hw_available12365.exe
Setting LD_LIBRARY_PATH to
:/home3/seurer/gcc/git/build/gcc-test2/gcc::/home3/seurer/gcc/git/build/gcc-test2/gcc:/home/seurer/gcc/git/build/gcc-test2/./gmp/.libs:/home/seurer/gcc/git/build/gcc-test2/./prev-gmp/.libs:/home/seurer/gcc/git/build/gcc-test2/./mpfr/src/.libs:/home/seurer/gcc/git/build/gcc-test2/./prev-mpfr/src/.libs:/home/seurer/gcc/git/build/gcc-test2/./mpc/src/.libs:/home/seurer/gcc/git/build/gcc-test2/./prev-mpc/src/.libs:/home/seurer/gcc/git/build/gcc-test2/./isl/.libs:/home/seurer/gcc/git/build/gcc-test2/./prev-isl/.libs
Execution timeout is: 300
spawn [open ...]
testcase
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/gcc.target/powerpc/powerpc.exp
completed in 1 seconds

                === gcc Summary ===

# of expected passes            1
# of unexpected failures        2


The test now generates a bunch more loads and stores.  Looks like it is
spilling some registers.

Old code (r10-7092):

.LFB0:
        .cfi_startproc
        cmpdi 0,3,0
        beqlr 0
        mr 10,6
        mr 11,5
        addi 3,4,16
        mr 8,10
        mr 9,11
        std 11,0(4)
        std 10,8(4)
        std 9,0(3)
        std 8,8(3)
        blr


New code (r10-7093):

.LFB0:
        .cfi_startproc
        cmpdi 0,3,0
        beqlr 0
        std 30,-16(1)
        std 31,-8(1)
        .cfi_offset 30, -16
        .cfi_offset 31, -8
        mr 30,6
        mr 31,5
        addi 9,4,16
        mr 10,30
        mr 11,31
        std 31,0(4)
        std 30,8(4)
        std 11,0(9)
        std 10,8(9)
        ld 30,-16(1)
        ld 31,-8(1)
        .cfi_restore 31
        .cfi_restore 30
        blr

^ permalink raw reply	[flat|nested] 15+ messages in thread
end of thread, other threads:[~2020-04-01 19:27 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-03-10 14:53 [Bug target/94123] New: [10 regression] r10-7093 causes gcc.target/powerpc/pr87507.c to fail seurer at gcc dot gnu.org
2020-03-10 14:57 ` [Bug target/94123] " seurer at gcc dot gnu.org
2020-03-10 16:47 ` jakub at gcc dot gnu.org
2020-03-10 18:13 ` seurer at gcc dot gnu.org
2020-03-11  7:38 ` rguenth at gcc dot gnu.org
2020-03-11 15:54 ` [Bug target/94123] [10 regression] r10-1734, SVN r273240, " seurer at gcc dot gnu.org
2020-03-11 19:44 ` segher at gcc dot gnu.org
2020-03-20 11:44 ` rguenth at gcc dot gnu.org
2020-03-20 14:13 ` bergner at gcc dot gnu.org
2020-03-20 14:20 ` rguenth at gcc dot gnu.org
2020-03-24 18:48 ` bergner at gcc dot gnu.org
2020-03-25  7:22 ` rguenth at gcc dot gnu.org
2020-03-27 22:48 ` bergner at gcc dot gnu.org
2020-04-01 19:24 ` cvs-commit at gcc dot gnu.org
2020-04-01 19:27 ` bergner at gcc dot gnu.org

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