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| author | Jakub Jelinek <jakub@redhat.com> | 2006-02-15 21:41:03 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2006-02-15 21:41:03 +0100 |
| commit | 01ea23f3d250c13a0097cd22e6d36390941c4c97 (patch) | |
| tree | f3b03f728a76b77ce4adaca3c4525a06bed79409 /gcc | |
| parent | fb57dc0bf0b060e936dbb376ceca3eca35c15787 (diff) | |
| download | gcc-01ea23f3d250c13a0097cd22e6d36390941c4c97.zip gcc-01ea23f3d250c13a0097cd22e6d36390941c4c97.tar.gz gcc-01ea23f3d250c13a0097cd22e6d36390941c4c97.tar.bz2 | |
re PR middle-end/26300 (ICE in trunc_int_for_mode)
PR middle-end/26300
* combine.c (make_extraction): Bail out if ORIG_POS is negative.
* gcc.c-torture/compile/20060215-1.c: New test.
From-SVN: r111116
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/combine.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20060215-1.c | 42 |
4 files changed, 53 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3be2c3f..9b388d6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2006-02-15 Jakub Jelinek <jakub@redhat.com> + PR middle-end/26300 + * combine.c (make_extraction): Bail out if ORIG_POS is negative. + * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather than TREE_CODE as index into omp_clause_num_ops array. diff --git a/gcc/combine.c b/gcc/combine.c index d4ea689..96ebd20 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -6249,6 +6249,9 @@ make_extraction (enum machine_mode mode, rtx inner, HOST_WIDE_INT pos, || orig_pos + len > GET_MODE_BITSIZE (wanted_inner_mode))) return 0; + if (orig_pos < 0) + return 0; + inner = force_to_mode (inner, wanted_inner_mode, pos_rtx || len + orig_pos >= HOST_BITS_PER_WIDE_INT diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d2319a1..d22edd3 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-02-15 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/26300 + * gcc.c-torture/compile/20060215-1.c: New test. + 2006-02-14 Roger Sayle <roger@eyesopen.com> PR middle-end/23670 diff --git a/gcc/testsuite/gcc.c-torture/compile/20060215-1.c b/gcc/testsuite/gcc.c-torture/compile/20060215-1.c new file mode 100644 index 0000000..7979561 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20060215-1.c @@ -0,0 +1,42 @@ +/* PR middle-end/26300 */ + +struct S +{ + char c; + struct S *d; + struct S *e; +}; +extern struct S *u, *v; +extern void fn1 (struct S *) __attribute__ ((noreturn)); +void fn2 (struct S *); + +static inline struct S * +fn3 (struct S *x) +{ + if (x->c != 6) + fn1 (0); + return (struct S *) x; +} + +static inline int +fn4 (struct S *x) +{ + if (x != u) + return 3; + fn2 (x); + return 0; +} + +int +test (struct S *x) +{ + struct S *r; + int m = 0; + + for (r = x; r != v; r = (fn3 (r)->d)) + if (r->c != 6) + fn1 (x); + else + m |= 1 << (fn4 (fn3 (r)->e) - 1); + return m; +} |