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flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.

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* flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
         * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
         and SET_DEST. Update comment.

From-SVN: r29196
This commit is contained in:
Alasdair Baird 1999-09-08 07:34:47 +00:00 committed by Richard Henderson
parent 7eb3fb5f92
commit 355fca3e4f
3 changed files with 12 additions and 5 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
* flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
* haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
and SET_DEST. Update comment.
Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* config/c4x/c4x.c: Include ggc.h.

2
gcc/flow.c
View File

@ -2967,7 +2967,7 @@ insn_dead_p (x, needed, call_ok, notes)
while (GET_CODE (r) == SUBREG || GET_CODE (r) == STRICT_LOW_PART
|| GET_CODE (r) == ZERO_EXTRACT)
r = SUBREG_REG (r);
r = XEXP (r, 0);
if (GET_CODE (r) == REG)
{

9
gcc/haifa-sched.c
View File

@ -3233,8 +3233,9 @@ flush_pending_lists (insn, only_write)
last_pending_memory_flush = alloc_INSN_LIST (insn, NULL_RTX);
}
/* Analyze a single SET or CLOBBER rtx, X, creating all dependencies generated
by the write to the destination of X, and reads of everything mentioned. */
/* Analyze a single SET, CLOBBER, PRE_DEC, POST_DEC, PRE_INC or POST_INC
rtx, X, creating all dependencies generated by the write to the
destination of X, and reads of everything mentioned. */
static void
sched_analyze_1 (x, insn)
@ -3242,7 +3243,7 @@ sched_analyze_1 (x, insn)
rtx insn;
{
register int regno;
register rtx dest = SET_DEST (x);
register rtx dest = XEXP (x, 0);
enum rtx_code code = GET_CODE (x);
if (dest == 0)
@ -3268,7 +3269,7 @@ sched_analyze_1 (x, insn)
sched_analyze_2 (XEXP (dest, 1), insn);
sched_analyze_2 (XEXP (dest, 2), insn);
}
dest = SUBREG_REG (dest);
dest = XEXP (dest, 0);
}
if (GET_CODE (dest) == REG)