OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

cse.c (set_live_p): Take INSN argument for cc0; update callers. 

* cse.c (set_live_p): Take INSN argument for cc0; update callers.
        (insn_live_p): Fix fall off end of function.
        (dead_libcall_p): Remove COUNTS argument; update callers.
        (delete_trivially_dead_insns): Remove unused variables.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r44064
This commit is contained in:
Daniel Berlin 2001-07-17 06:44:57 +00:00 committed by Richard Henderson
parent 5158963212
commit 0021de69a6
2 changed files with 30 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2001-07-16 Daniel Berlin <dan@cgsoftware.com>
Richard Henderson <rth@redhat.com>
* cse.c (set_live_p): Take INSN argument for cc0; update callers.
(insn_live_p): Fix fall off end of function.
(dead_libcall_p): Remove COUNTS argument; update callers.
(delete_trivially_dead_insns): Remove unused variables.
2001-07-17 Andreas Jaeger <aj@suse.de>
* config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for

43
gcc/cse.c
View File

@ -690,8 +690,8 @@ static int check_dependence PARAMS ((rtx *, void *));
static void flush_hash_table PARAMS ((void));
static bool insn_live_p PARAMS ((rtx, int *));
static bool set_live_p PARAMS ((rtx, int *));
static bool dead_libcall_p PARAMS ((rtx, int *));
static bool set_live_p PARAMS ((rtx, rtx, int *));
static bool dead_libcall_p PARAMS ((rtx));
/* Dump the expressions in the equivalence class indicated by CLASSP.
This function is used only for debugging. */
@ -7486,8 +7486,9 @@ count_reg_usage (x, counts, dest, incr)
/* Return true if set is live. */
static bool
set_live_p (set, counts)
set_live_p (set, insn, counts)
rtx set;
rtx insn;
int *counts;
{
#ifdef HAVE_cc0
@ -7527,20 +7528,23 @@ insn_live_p (insn, counts)
{
int i;
if (GET_CODE (PATTERN (insn)) == SET)
return set_live_p (PATTERN (insn), counts);
return set_live_p (PATTERN (insn), insn, counts);
else if (GET_CODE (PATTERN (insn)) == PARALLEL)
for (i = XVECLEN (PATTERN (insn), 0) - 1; i >= 0; i--)
{
rtx elt = XVECEXP (PATTERN (insn), 0, i);
{
for (i = XVECLEN (PATTERN (insn), 0) - 1; i >= 0; i--)
{
rtx elt = XVECEXP (PATTERN (insn), 0, i);
if (GET_CODE (elt) == SET)
{
if (set_live_p (elt, counts))
return true;
}
else if (GET_CODE (elt) != CLOBBER && GET_CODE (elt) != USE)
return true;
}
if (GET_CODE (elt) == SET)
{
if (set_live_p (elt, insn, counts))
return true;
}
else if (GET_CODE (elt) != CLOBBER && GET_CODE (elt) != USE)
return true;
}
return false;
}
else
return true;
}
@ -7548,9 +7552,8 @@ insn_live_p (insn, counts)
/* Return true if libcall is dead as a whole. */
static bool
dead_libcall_p (insn, counts)
dead_libcall_p (insn)
rtx insn;
int *counts;
{
rtx note;
/* See if there's a REG_EQUAL note on this insn and try to
@ -7616,7 +7619,6 @@ delete_trivially_dead_insns (insns, nreg, preserve_basic_blocks)
for (; insn; insn = prev)
{
int live_insn = 0;
rtx note;
prev = prev_real_insn (insn);
@ -7629,7 +7631,7 @@ delete_trivially_dead_insns (insns, nreg, preserve_basic_blocks)
{
in_libcall = 1;
live_insn = 1;
dead_libcall = dead_libcall_p (insn, counts);
dead_libcall = dead_libcall_p (insn);
}
else if (in_libcall)
live_insn = ! dead_libcall;
@ -7656,7 +7658,6 @@ delete_trivially_dead_insns (insns, nreg, preserve_basic_blocks)
for (bb = BASIC_BLOCK (i), insn = bb->end; insn != bb->head; insn = prev)
{
int live_insn = 0;
rtx note;
prev = PREV_INSN (insn);
if (!INSN_P (insn))
@ -7671,7 +7672,7 @@ delete_trivially_dead_insns (insns, nreg, preserve_basic_blocks)
{
in_libcall = 1;
live_insn = 1;
dead_libcall = dead_libcall_p (insn, counts);
dead_libcall = dead_libcall_p (insn);
}
else if (in_libcall)
live_insn = ! dead_libcall;