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re PR target/5309 (Infinite loop in cc1 on sparcv9-sun-solaris2.8 with -m64, short example)

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PR target/5309:
        * config/sparc/sparc.c (ultrasparc_adjust_cost): Handle TYPE_IDIV the
	same way as TYPE_IMUL.
	(ultrasparc_sched_reorder): Likewise.
	* config/sparc/sparc.md (type): Add comment to update
	ultrasparc_sched_reorder when making changes.

	* gcc.dg/ultrasp4.c: New test.

From-SVN: r48917
This commit is contained in:
Jakub Jelinek 2002-01-16 18:44:24 +01:00 committed by Jakub Jelinek
parent 1e4e4df27a
commit b8c1a6b817
5 changed files with 29 additions and 2 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2002-01-16 Jakub Jelinek <jakub@redhat.com>
PR target/5309:
* config/sparc/sparc.c (ultrasparc_adjust_cost): Handle TYPE_IDIV the
same way as TYPE_IMUL.
(ultrasparc_sched_reorder): Likewise.
* config/sparc/sparc.md (type): Add comment to update
ultrasparc_sched_reorder when making changes.
2002-01-16 Kazu Hirata <kazu@hxi.com>
* doc/invoke.texi: Change the dump file name of block

4
gcc/config/sparc/sparc.c
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@ -7202,7 +7202,7 @@ ultrasparc_adjust_cost (insn, link, dep_insn, cost)
/* Nothing issues in parallel with integer multiplies, so
mark as zero cost since the scheduler can not do anything
about it. */
if (insn_type == TYPE_IMUL)
if (insn_type == TYPE_IMUL || insn_type == TYPE_IDIV)
return 0;
#define SLOW_FP(dep_type) \
@ -7902,7 +7902,7 @@ ultrasparc_sched_reorder (dump, sched_verbose, ready, n_ready)
{
/* If the pipeline is (still) empty and we have any single
group insns, get them out now as this is a good time. */
rtx *ip = ultra_find_type ((TMASK (TYPE_RETURN) |
rtx *ip = ultra_find_type ((TMASK (TYPE_RETURN) | TMASK (TYPE_IDIV) |
TMASK (TYPE_IMUL) | TMASK (TYPE_CMOVE) |
TMASK (TYPE_MULTI) | TMASK (TYPE_MISC)),
ready, this_insn);

1
gcc/config/sparc/sparc.md
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@ -82,6 +82,7 @@
;; Insn type.
;; If you add any new type here, please update ultrasparc_sched_reorder too.
(define_attr "type"
"ialu,compare,shift,load,sload,store,uncond_branch,branch,call,sibcall,call_no_delay_slot,return,imul,idiv,fpload,fpstore,fp,fpmove,fpcmove,fpcmp,fpmul,fpdivs,fpdivd,fpsqrts,fpsqrtd,cmove,multi,misc"
(const_string "ialu"))

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2002-01-16 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/ultrasp4.c: New test.
2002-01-16 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/20020116-2.c: New test.

13
gcc/testsuite/gcc.dg/ultrasp4.c Normal file
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@ -0,0 +1,13 @@
/* Simplified from PR target/5309. */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-options "-O2 -m64 -mcpu=ultrasparc" { target sparc64-*-* } } */
/* { dg-options "-O2 -m64 -mcpu=ultrasparc" { target sparcv9-*-* } } */
/* { dg-options "-O2" { target sparc-*-solaris2.[0-6] } } */
/* { dg-options "-O2" { target sparc-*-solaris2.[0-6].* } } */
long bar (unsigned int);
long foo (long x, unsigned int y)
{
return *(((long *) (bar (y) - 1)) + 1 + (x >> 2) % 359);
}