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| author | Alexandre Oliva <aoliva@redhat.com> | 2010-01-09 14:41:35 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2010-01-09 14:41:35 +0000 |
| commit | 60c48e4c8d74d72e45418c5c6348c91f5c6aeafa (patch) | |
| tree | a7af950455aa369113ee72a90484b8e516e2fb82 /gcc/testsuite/gcc.dg/pr42630.c | |
| parent | bb956f3ea05a1c9b59f21aa776da3f582c00d4e0 (diff) | |
| download | gcc-60c48e4c8d74d72e45418c5c6348c91f5c6aeafa.zip gcc-60c48e4c8d74d72e45418c5c6348c91f5c6aeafa.tar.gz gcc-60c48e4c8d74d72e45418c5c6348c91f5c6aeafa.tar.bz2 | |
re PR debug/42630 ("-fcompare-debug failure (length)" with "-O1 -fvariable-expansion-in-unroller -funroll-loops")
gcc/ChangeLog:
PR debug/42630
* loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
uses in new incoming argument. Free body.
(reset_debug_uses_in_loop): New.
(analyze_insn_to_expand_var): Call the latter if the former found
anything. Fix whitespace. Reject invalid dest overlaps before
going through all insns in the loop.
gcc/testsuite/ChangeLog:
PR debug/42630
* gcc.dg/pr42630.c: New.
From-SVN: r155764
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr42630.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr42630.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr42630.c b/gcc/testsuite/gcc.dg/pr42630.c new file mode 100644 index 0000000..34543da --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr42630.c @@ -0,0 +1,9 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fvariable-expansion-in-unroller -funroll-loops -fcompare-debug" } */ + +int sum(int *buf, int len) +{ + int s = 0; + while (--len > 0) s += *buf++; + return s; +} |