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| author | Richard Sandiford <rsandifo@redhat.com> | 2002-12-15 11:34:17 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2002-12-15 11:34:17 +0000 |
| commit | 46b192aea836eeaaba513d7d3f7ab19a0271565f (patch) | |
| tree | c8ddfcd1f936f6ef34a5c20138fca75610c0f84d | |
| parent | 7bd439354874fc24cbbf6b569e3cc865c1939ecb (diff) | |
| download | gcc-46b192aea836eeaaba513d7d3f7ab19a0271565f.zip gcc-46b192aea836eeaaba513d7d3f7ab19a0271565f.tar.gz gcc-46b192aea836eeaaba513d7d3f7ab19a0271565f.tar.bz2 | |
* config/mips/mips.md: Disable the movstrsi define_split.
From-SVN: r60156
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/mips/mips.md | 8 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20021215-1.c | 20 |
4 files changed, 35 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 71233fb..f1147fe 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2002-12-15 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.md: Disable the movstrsi define_split. + 2002-12-13 John David Anglin <dave@hiauly1.hia.nrc.ca> * pa.c (output_millicode_call): Correct typo. diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index cc6cda5..05fdabe 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -6550,6 +6550,12 @@ move\\t%0,%z4\\n\\ ;; fill a delay slot. This also prevents a bug in delayed branches ;; from showing up, which reuses one of the registers in our clobbers. +;; ??? Disabled because it doesn't preserve alias information for +;; operands 0 and 1. Also, the rtl for the second insn doesn't mention +;; that it uses the registers clobbered by the first. +;; +;; It would probably be better to split the block into individual +;; instructions so that the scheduler can do more with it. (define_split [(set (mem:BLK (match_operand:SI 0 "register_operand" "")) (mem:BLK (match_operand:SI 1 "register_operand" ""))) @@ -6561,7 +6567,7 @@ move\\t%0,%z4\\n\\ (use (match_operand:SI 3 "small_int" "")) (use (const_int 0))] - "reload_completed && !TARGET_DEBUG_D_MODE && INTVAL (operands[2]) > 0" + "reload_completed && 0 && INTVAL (operands[2]) > 0" ;; All but the last move [(parallel [(set (mem:BLK (match_dup 0)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7fc603cc..e6f322f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2002-12-15 Richard Sandiford <rsandifo@redhat.com> + + * gcc.c-torture/execute/20021215-1.c: New test. + 2002-12-12 Devang Patel <dpatel@apple.com> * gcc.dg/darwin-ld-1.c: New test. * gcc.dg/darwin-ld-2.c: New test. diff --git a/gcc/testsuite/gcc.c-torture/execute/20021215-1.c b/gcc/testsuite/gcc.c-torture/execute/20021215-1.c new file mode 100644 index 0000000..19f3b2d --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20021215-1.c @@ -0,0 +1,20 @@ +int __attribute__ ((noinline)) +foo () +{ + const int a[8] = { 0, 1, 2, 3, 4, 5, 6, 7 }; + int i, sum; + + sum = 0; + for (i = 0; i < sizeof (a) / sizeof (*a); i++) + sum += a[i]; + + return sum; +} + +int +main () +{ + if (foo () != 28) + abort (); + exit (0); +} |