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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2001-01-19 18:28:58 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-01-19 13:28:58 -0500 |
| commit | 7193d1dc3d0359e9f3257d3b75d5050fa73187b3 (patch) | |
| tree | 086e54d82c89c2d5ce11a4c14e8e7c5454d17972 /gcc/sched-deps.c | |
| parent | 79b9ec0ddb066613d4bf6a64b12eb45ea8fdcd95 (diff) | |
| download | gcc-7193d1dc3d0359e9f3257d3b75d5050fa73187b3.tar.gz | |
rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
* rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
* flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
element to be null, and always expect an EXPR_LIST.
* rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
* sched-deps.c (sched_analyze_1): Likewise.
* sched-rgn.c (check_live_1, update_live_1): Likewise.
From-SVN: r39141
Diffstat (limited to 'gcc/sched-deps.c')
| -rw-r--r-- | gcc/sched-deps.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index 9b566a0ec26..904b37e1d4c 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -551,19 +551,16 @@ sched_analyze_1 (deps, x, insn) if (dest == 0) return; - if (GET_CODE (dest) == PARALLEL && GET_MODE (dest) == BLKmode) + if (GET_CODE (dest) == PARALLEL) { register int i; for (i = XVECLEN (dest, 0) - 1; i >= 0; i--) - { - rtx reg = XVECEXP (dest, 0, i); - - if (GET_CODE (reg) == EXPR_LIST) - reg = XEXP (reg, 0); - - sched_analyze_1 (deps, reg, insn); - } + if (XEXP (XVECEXP (dest, 0, i), 0) != 0) + sched_analyze_1 (deps, + gen_rtx_CLOBBER (VOIDmode, + XEXP (XVECEXP (dest, 0, i), 0)), + insn); if (GET_CODE (x) == SET) sched_analyze_2 (deps, SET_SRC (x), insn); |