diff options
| author | Richard Guenther <rguenther@suse.de> | 2010-01-26 16:27:34 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-01-26 16:27:34 +0000 |
| commit | 0d9b0371e86194157b829fbf298e80592fb94d26 (patch) | |
| tree | a18379b4e501c241ef14523095e2aa75fddf538b | |
| parent | 7a241624f2a4e684fff1156a8b975801007a425b (diff) | |
| download | gcc-0d9b0371e86194157b829fbf298e80592fb94d26.tar.gz | |
re PR tree-optimization/42685 ("-fcompare-debug failure" with "-O1 -funroll-loops" (2))
2010-01-26 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/42685
* web.c (web_main): Ignore DEBUG_INSNs.
* gcc.dg/pr42685.c: New testcase.
* g++.dg/other/pr42685.C: Likewise.
From-SVN: r156252
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/other/pr42685.C | 10 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr42685.c | 22 | ||||
| -rw-r--r-- | gcc/web.c | 6 |
5 files changed, 46 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0d292fa17e4..d1e2417b7aa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-01-26 Richard Guenther <rguenther@suse.de> + + PR rtl-optimization/42685 + * web.c (web_main): Ignore DEBUG_INSNs. + 2010-01-26 Joern Rennecke <amylaar@spamcop.net> * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0238f4c71f7..79b7546155d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,11 @@ 2010-01-26 Richard Guenther <rguenther@suse.de> + PR rtl-optimization/42685 + * gcc.dg/pr42685.c: New testcase. + * g++.dg/other/pr42685.C: Likewise. + +2010-01-26 Richard Guenther <rguenther@suse.de> + PR middle-end/42806 * g++.dg/other/pr42806.C: New testcase. diff --git a/gcc/testsuite/g++.dg/other/pr42685.C b/gcc/testsuite/g++.dg/other/pr42685.C new file mode 100644 index 00000000000..b8b1ad63b1b --- /dev/null +++ b/gcc/testsuite/g++.dg/other/pr42685.C @@ -0,0 +1,10 @@ +// { dg-do compile } +// { dg-options "-O -funroll-loops -fcompare-debug" } + +void Remap(int n, int *src, int *dst, int *map) +{ + do { + int i = *src; + if (i != 0) *dst = map[i]; + } while (--n != 0); +} diff --git a/gcc/testsuite/gcc.dg/pr42685.c b/gcc/testsuite/gcc.dg/pr42685.c new file mode 100644 index 00000000000..29d6381cf5e --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr42685.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-O -funroll-loops -fcompare-debug" } */ + +struct S { + int i; +}; + +extern void baz(int); + +static inline void bar(struct S *s) +{ + baz(s->i); +} + +void foo(int *w, int cond, struct S *s) +{ + int i, n = 0; + while (*w++ != 0) n++; + for (i = 0; i < n; i++) + if (cond == 0) + bar(s + i); +} diff --git a/gcc/web.c b/gcc/web.c index 18579b5cdbd..7e15c2ce4c9 100644 --- a/gcc/web.c +++ b/gcc/web.c @@ -298,7 +298,7 @@ web_main (void) FOR_BB_INSNS (bb, insn) { unsigned int uid = INSN_UID (insn); - if (INSN_P (insn)) + if (NONDEBUG_INSN_P (insn)) { df_ref *use_rec; for (use_rec = DF_INSN_UID_USES (uid); *use_rec; use_rec++) @@ -326,7 +326,7 @@ web_main (void) FOR_BB_INSNS (bb, insn) { unsigned int uid = INSN_UID (insn); - if (INSN_P (insn)) + if (NONDEBUG_INSN_P (insn)) { df_ref *use_rec; for (use_rec = DF_INSN_UID_USES (uid); *use_rec; use_rec++) @@ -350,7 +350,7 @@ web_main (void) FOR_BB_INSNS (bb, insn) { unsigned int uid = INSN_UID (insn); - if (INSN_P (insn)) + if (NONDEBUG_INSN_P (insn)) { df_ref *use_rec; df_ref *def_rec; |