[patch] Use const0_rtx instead of GEN_INT (0), etc.
Kazu Hirata
kazu@cs.umass.edu
Tue Feb 3 05:40:00 GMT 2004
Hi,
Bootstrapped on i686-pc-linux-gnu. Committed as obvious.
Kazu Hirata
2004-02-03 Kazu Hirata <kazu@cs.umass.edu>
* doloop.c, optabs.c, regmove.c, sched-deps.c,
config/i386/i386.c, config/i386/i386.md: Use const0_rtx
instead of GEN_INT (0). Do the same for other constants that
are readily available.
Index: doloop.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doloop.c,v
retrieving revision 1.29
diff -u -p -r1.29 doloop.c
--- doloop.c 29 Jun 2003 15:19:13 -0000 1.29
+++ doloop.c 3 Feb 2004 05:29:13 -0000
@@ -475,7 +475,7 @@ doloop_modify (const struct loop *loop,
count = GEN_INT (INTVAL (count) - 1);
else
count = expand_simple_binop (GET_MODE (counter_reg), MINUS,
- count, GEN_INT (1),
+ count, const1_rtx,
0, 0, OPTAB_LIB_WIDEN);
}
Index: optabs.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/optabs.c,v
retrieving revision 1.205
diff -u -p -r1.205 optabs.c
--- optabs.c 21 Jan 2004 20:40:03 -0000 1.205
+++ optabs.c 3 Feb 2004 05:29:16 -0000
@@ -2358,7 +2358,7 @@ expand_parity (enum machine_mode mode, r
temp = expand_unop (wider_mode, popcount_optab, xop0, NULL_RTX,
true);
if (temp != 0)
- temp = expand_binop (wider_mode, and_optab, temp, GEN_INT (1),
+ temp = expand_binop (wider_mode, and_optab, temp, const1_rtx,
target, true, OPTAB_DIRECT);
if (temp == 0)
delete_insns_since (last);
@@ -3337,9 +3337,9 @@ emit_libcall_block (rtx insns, rtx targe
rtx note = find_reg_note (insn, REG_EH_REGION, NULL_RTX);
if (note != 0)
- XEXP (note, 0) = GEN_INT (-1);
+ XEXP (note, 0) = constm1_rtx;
else
- REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_EH_REGION, GEN_INT (-1),
+ REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_EH_REGION, constm1_rtx,
REG_NOTES (insn));
}
Index: regmove.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/regmove.c,v
retrieving revision 1.154
diff -u -p -r1.154 regmove.c
--- regmove.c 2 Feb 2004 00:17:17 -0000 1.154
+++ regmove.c 3 Feb 2004 05:29:17 -0000
@@ -167,7 +167,7 @@ discover_flags_reg (void)
{
rtx tmp;
tmp = gen_rtx_REG (word_mode, 10000);
- tmp = gen_add3_insn (tmp, tmp, GEN_INT (2));
+ tmp = gen_add3_insn (tmp, tmp, const2_rtx);
/* If we get something that isn't a simple set, or a
[(set ..) (clobber ..)], this whole function will go wrong. */
Index: sched-deps.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/sched-deps.c,v
retrieving revision 1.67
diff -u -p -r1.67 sched-deps.c
--- sched-deps.c 2 Feb 2004 00:17:18 -0000 1.67
+++ sched-deps.c 3 Feb 2004 05:29:17 -0000
@@ -1267,7 +1267,7 @@ sched_analyze (struct deps *deps, rtx he
|| NOTE_LINE_NUMBER (insn) == NOTE_INSN_EH_REGION_END)
rtx_region = GEN_INT (NOTE_EH_HANDLER (insn));
else
- rtx_region = GEN_INT (0);
+ rtx_region = const0_rtx;
loop_notes = alloc_EXPR_LIST (REG_SAVE_NOTE,
rtx_region,
Index: config/i386/i386.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/i386/i386.c,v
retrieving revision 1.642
diff -u -p -r1.642 i386.c
--- config/i386/i386.c 31 Jan 2004 18:42:55 -0000 1.642
+++ config/i386/i386.c 3 Feb 2004 05:29:25 -0000
@@ -11632,9 +11632,9 @@ ix86_expand_strlensi_unroll_1 (rtx out,
emit_cmp_and_jump_insns (align_rtx, const0_rtx, EQ, NULL,
Pmode, 1, align_4_label);
- emit_cmp_and_jump_insns (align_rtx, GEN_INT (2), EQ, NULL,
+ emit_cmp_and_jump_insns (align_rtx, const2_rtx, EQ, NULL,
Pmode, 1, align_2_label);
- emit_cmp_and_jump_insns (align_rtx, GEN_INT (2), GTU, NULL,
+ emit_cmp_and_jump_insns (align_rtx, const2_rtx, GTU, NULL,
Pmode, 1, align_3_label);
}
else
@@ -11642,7 +11642,7 @@ ix86_expand_strlensi_unroll_1 (rtx out,
/* Since the alignment is 2, we have to check 2 or 0 bytes;
check if is aligned to 4 - byte. */
- align_rtx = expand_binop (Pmode, and_optab, scratch1, GEN_INT (2),
+ align_rtx = expand_binop (Pmode, and_optab, scratch1, const2_rtx,
NULL_RTX, 0, OPTAB_WIDEN);
emit_cmp_and_jump_insns (align_rtx, const0_rtx, EQ, NULL,
@@ -11728,7 +11728,7 @@ ix86_expand_strlensi_unroll_1 (rtx out,
tmpreg)));
/* Emit lea manually to avoid clobbering of flags. */
emit_insn (gen_rtx_SET (SImode, reg2,
- gen_rtx_PLUS (Pmode, out, GEN_INT (2))));
+ gen_rtx_PLUS (Pmode, out, const2_rtx)));
tmp = gen_rtx_REG (CCNOmode, FLAGS_REG);
tmp = gen_rtx_EQ (VOIDmode, tmp, const0_rtx);
@@ -11755,9 +11755,9 @@ ix86_expand_strlensi_unroll_1 (rtx out,
/* Not in the first two. Move two bytes forward. */
emit_insn (gen_lshrsi3 (tmpreg, tmpreg, GEN_INT (16)));
if (TARGET_64BIT)
- emit_insn (gen_adddi3 (out, out, GEN_INT (2)));
+ emit_insn (gen_adddi3 (out, out, const2_rtx));
else
- emit_insn (gen_addsi3 (out, out, GEN_INT (2)));
+ emit_insn (gen_addsi3 (out, out, const2_rtx));
emit_label (end_2_label);
@@ -14487,7 +14487,7 @@ ix86_expand_builtin (tree exp, rtx targe
expand_expr (arg0, NULL_RTX, VOIDmode, 0));
op0 = gen_reg_rtx (V2DFmode);
emit_insn (gen_sse2_loadsd (op0, adjust_address (target, V2DFmode, 0)));
- emit_insn (gen_sse2_shufpd (op0, op0, op0, GEN_INT (0)));
+ emit_insn (gen_sse2_shufpd (op0, op0, op0, const0_rtx));
return op0;
case IX86_BUILTIN_SETPD:
@@ -14505,7 +14505,7 @@ ix86_expand_builtin (tree exp, rtx targe
case IX86_BUILTIN_LOADRPD:
target = ix86_expand_unop_builtin (CODE_FOR_sse2_movapd, arglist,
gen_reg_rtx (V2DFmode), 1);
- emit_insn (gen_sse2_shufpd (target, target, target, GEN_INT (1)));
+ emit_insn (gen_sse2_shufpd (target, target, target, const1_rtx));
return target;
case IX86_BUILTIN_LOADPD1:
Index: config/i386/i386.md
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/i386/i386.md,v
retrieving revision 1.506
diff -u -p -r1.506 i386.md
--- config/i386/i386.md 29 Jan 2004 08:05:47 -0000 1.506
+++ config/i386/i386.md 3 Feb 2004 05:29:30 -0000
@@ -4887,7 +4887,7 @@
emit_move_insn (tmp, operands[1]);
emit_insn (gen_sse_shufps (op0, tmp, tmp,
- GEN_INT (1)));
+ const1_rtx));
}
case 2:
{
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