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| author | Jakub Jelinek <jakub@redhat.com> | 2012-01-24 08:24:34 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-01-24 08:24:34 +0100 |
| commit | 93bcc8c9ff361dbf3f42c9dcced458acfb5e994d (patch) | |
| tree | 98b79c67cec7eff5791d93ba80cf2ec5abb1fbad /gcc/dwarf2out.c | |
| parent | 9848887afad7b720d100d536ab35deb7d6c4396c (diff) | |
| download | gcc-93bcc8c9ff361dbf3f42c9dcced458acfb5e994d.zip gcc-93bcc8c9ff361dbf3f42c9dcced458acfb5e994d.tar.gz gcc-93bcc8c9ff361dbf3f42c9dcced458acfb5e994d.tar.bz2 | |
re PR target/51957 (ppc64 .debug_loc toc reference)
PR target/51957
* target.def (const_not_ok_for_debug_p): New hook.
* doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
documentation.
* doc/tm.texi: Regenerated.
* dwarf2out.c (const_ok_for_output_1): If
targetm.const_not_ok_for_debug_p returns true, fail.
* config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
function.
(TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
* gcc.dg/pr51957-1.c: New test.
* gcc.dg/pr51957-1.h: New file.
* gcc.dg/pr51957-2.c: New test.
From-SVN: r183468
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index ed279ba..fee5c60 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -10683,6 +10683,13 @@ const_ok_for_output_1 (rtx *rtlp, void *data ATTRIBUTE_UNUSED) return 1; } + if (targetm.const_not_ok_for_debug_p (rtl)) + { + expansion_failed (NULL_TREE, rtl, + "Expression rejected for debug by the backend.\n"); + return 1; + } + if (GET_CODE (rtl) != SYMBOL_REF) return 0; |