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| author | Jakub Jelinek <jakub@redhat.com> | 2010-05-03 17:42:43 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-05-03 17:42:43 +0200 |
| commit | c4e26da143564e081c6c68ae5a7e32647fbea8ac (patch) | |
| tree | 064998e2e6ce5bd8a2620920fa96c470d556c47d /gcc | |
| parent | 43f9f5210fb3a0d3f0301acfabdd6a50950a528b (diff) | |
| download | gcc-c4e26da143564e081c6c68ae5a7e32647fbea8ac.zip gcc-c4e26da143564e081c6c68ae5a7e32647fbea8ac.tar.gz gcc-c4e26da143564e081c6c68ae5a7e32647fbea8ac.tar.bz2 | |
re PR debug/43972 (ICE in loc_cmp)
PR debug/43972
* config/i386/i386.c (ix86_delegitimize_address): Make sure the
result mode matches original rtl mode.
* gcc.dg/debug/pr43972.c: New test.
From-SVN: r158989
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/debug/pr43972.c | 29 |
4 files changed, 46 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3390fae..e62e9ab 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-05-03 Jakub Jelinek <jakub@redhat.com> + + PR debug/43972 + * config/i386/i386.c (ix86_delegitimize_address): Make sure the + result mode matches original rtl mode. + 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com> PR target/43888 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 10aac6e..e05d3cc 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -11014,7 +11014,10 @@ ix86_delegitimize_address (rtx x) || XINT (XEXP (x, 0), 1) != UNSPEC_GOTPCREL || !MEM_P (orig_x)) return orig_x; - return XVECEXP (XEXP (x, 0), 0, 0); + x = XVECEXP (XEXP (x, 0), 0, 0); + if (GET_MODE (orig_x) != Pmode) + return simplify_gen_subreg (GET_MODE (orig_x), x, Pmode, 0); + return x; } if (GET_CODE (x) != PLUS @@ -11081,6 +11084,8 @@ ix86_delegitimize_address (rtx x) else return orig_x; } + if (GET_MODE (orig_x) != Pmode && MEM_P (orig_x)) + return simplify_gen_subreg (GET_MODE (orig_x), result, Pmode, 0); return result; } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8eaae92..5fe4b1d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-05-03 Jakub Jelinek <jakub@redhat.com> + + PR debug/43972 + * gcc.dg/debug/pr43972.c: New test. + 2010-05-02 Uros Bizjak <ubizjak@gmail.com> PR testsuite/43963 diff --git a/gcc/testsuite/gcc.dg/debug/pr43972.c b/gcc/testsuite/gcc.dg/debug/pr43972.c new file mode 100644 index 0000000..5fcf1e0 --- /dev/null +++ b/gcc/testsuite/gcc.dg/debug/pr43972.c @@ -0,0 +1,29 @@ +/* PR debug/43972 */ +/* { dg-do compile } */ +/* { dg-options "-g -w" } */ +/* { dg-options "-g -fpic -w" { target fpic } } */ + +struct { int *b1; } *f1 (); +short v1[1]; +struct S { int b2; }; +void +foo (struct S *a1, union { char *b3; unsigned *b4; int *b5; } *a2) +{ + int d; + switch (d) + { + case 0: + { + int c = a1->b2, i; + if (f1 () == 0) + *a2->b3++ = 2; + else if (((long) (f1 () - f1 ())) ^ ((long) f1 ()->b1 - ((long) f1 () & 8))) + *a2->b3++ = (long) f1 - ((long) f1 () & 0xff); + else + *a2->b4++ = (long) f1; + for (i = 0; i < c; i++) + *a2->b5++ = (long) v1; + foo (a1, a2); + } + } +} |