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| author | Jakub Jelinek <jakub@redhat.com> | 2014-01-30 22:48:08 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2014-01-30 22:48:08 +0100 |
| commit | 4bb9c32da1d4f8b68524725507228ae93a7b1d0d (patch) | |
| tree | a8c4f6de187b483086684d01fbf3afec29e7f3f5 /gcc | |
| parent | 7613fa50759e4e559626f1ff5d8bc6871559bdda (diff) | |
| download | gcc-4bb9c32da1d4f8b68524725507228ae93a7b1d0d.zip gcc-4bb9c32da1d4f8b68524725507228ae93a7b1d0d.tar.gz gcc-4bb9c32da1d4f8b68524725507228ae93a7b1d0d.tar.bz2 | |
re PR regression/59923 (ICE in maybe_record_trace_start, at dwarf2cfi.c:2239 with -mcpu=cortex-a15 -mthumb -O2 -fvisibility=hidden -g)
PR target/59923
* ifcvt.c (cond_exec_process_insns): Don't conditionalize
frame related instructions.
* gcc.target/arm/pr59923.c: New test.
From-SVN: r207324
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ifcvt.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/pr59923.c | 24 |
4 files changed, 39 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index eae5041..d78cf54 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-01-30 Jakub Jelinek <jakub@redhat.com> + + PR target/59923 + * ifcvt.c (cond_exec_process_insns): Don't conditionalize + frame related instructions. + 2014-01-30 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/59959 diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 5129365..e4b3e8d 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -338,6 +338,10 @@ cond_exec_process_insns (ce_if_block *ce_info ATTRIBUTE_UNUSED, gcc_assert (NONJUMP_INSN_P (insn) || CALL_P (insn)); + /* dwarf2out can't coope with conditional unwind info. */ + if (RTX_FRAME_RELATED_P (insn)) + return FALSE; + /* Remove USE insns that get in the way. */ if (reload_completed && GET_CODE (PATTERN (insn)) == USE) { diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d8d8c07..597029a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-01-30 Jakub Jelinek <jakub@redhat.com> + + PR target/59923 + * gcc.target/arm/pr59923.c: New test. + 2014-01-30 Bill Schmidt <wschmidt@linux.vnet.ibm.com> * gcc.dg/vmx/splat.c: New. diff --git a/gcc/testsuite/gcc.target/arm/pr59923.c b/gcc/testsuite/gcc.target/arm/pr59923.c new file mode 100644 index 0000000..86a4e7d --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/pr59923.c @@ -0,0 +1,24 @@ +/* PR target/59923 */ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_thumb2_ok } */ +/* { dg-options "-O2 -mcpu=cortex-a15 -fno-strict-aliasing -mthumb -g" } */ + +struct S +{ + void *s; + struct T { unsigned short a; unsigned char b[4], c[4]; } *t; +} s; +void bar (void *); + +void +foo (struct S *x, int *y) +{ + if (*y > 0) + return; + else if (x->t->b[0] == 0x43 && x->t->b[1] == 0x6d && x->t->c[0] == 1) + x->s = &s; + else + *y = 16384; + if (*y > 0) + bar (x); +} |