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i386.md: Use gen_lowpart instead of gen_rtx_REG for copying a register.

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* config/i386/i386.md: Use gen_lowpart instead of gen_rtx_REG
	for copying a register.

From-SVN: r63280
This commit is contained in:
Josef Zlomek 2003-02-22 06:52:11 +01:00 committed by Josef Zlomek
parent b65538149b
commit 1e2115dcc0
2 changed files with 15 additions and 10 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-02-22 Josef Zlomek <zlomekj@suse.cz>
* config/i386/i386.md: Use gen_lowpart instead of gen_rtx_REG
for copying a register.
2003-02-22 Steven Bosscher <s.bosscher@student.tudelft.nl>
PR other/3782

20
gcc/config/i386/i386.md
View File

@ -9911,7 +9911,7 @@
[(parallel [(set (match_dup 0) (xor:SI (match_dup 0) (match_dup 1)))
(clobber (reg:CC 17))])]
"operands[1] = gen_int_mode (0x80000000, SImode);
operands[0] = gen_rtx_REG (SImode, REGNO (operands[0]));")
operands[0] = gen_lowpart (SImode, operands[0]);")
(define_split
[(set (match_operand 0 "memory_operand" "")
@ -10384,7 +10384,7 @@
[(parallel [(set (match_dup 0) (and:SI (match_dup 0) (match_dup 1)))
(clobber (reg:CC 17))])]
"operands[1] = gen_int_mode (~0x80000000, SImode);
operands[0] = gen_rtx_REG (SImode, REGNO (operands[0]));")
operands[0] = gen_lowpart (SImode, operands[0]);")
(define_split
[(set (match_operand 0 "memory_operand" "")
@ -13913,7 +13913,7 @@
(match_dup 2))]
{
operands[4] = gen_rtx_REG (GET_MODE (operands[0]), 17);
operands[5] = gen_rtx_REG (QImode, REGNO (operands[3]));
operands[5] = gen_lowpart (QImode, operands[3]);
ix86_expand_clear (operands[3]);
})
@ -13935,7 +13935,7 @@
(match_dup 2))]
{
operands[4] = gen_rtx_REG (GET_MODE (operands[0]), 17);
operands[5] = gen_rtx_REG (QImode, REGNO (operands[3]));
operands[5] = gen_lowpart (QImode, operands[3]);
ix86_expand_clear (operands[3]);
})
@ -17766,7 +17766,7 @@
[(parallel [(set (match_dup 2) (const_int 0))
(clobber (reg:CC 17))])
(set (match_dup 0) (match_dup 1))]
"operands[2] = gen_rtx_REG (SImode, true_regnum (operands[1]));")
"operands[2] = gen_lowpart (SImode, operands[1]);")
(define_peephole2
[(match_scratch:QI 1 "q")
@ -17780,7 +17780,7 @@
[(parallel [(set (match_dup 2) (const_int 0))
(clobber (reg:CC 17))])
(set (match_dup 0) (match_dup 1))]
"operands[2] = gen_rtx_REG (SImode, true_regnum (operands[1]));")
"operands[2] = gen_lowpart (SImode, operands[1]);")
(define_peephole2
[(match_scratch:SI 2 "r")
@ -18035,8 +18035,8 @@
&& peep2_regno_dead_p (0, FLAGS_REG)"
[(parallel [(set (match_dup 0) (const_int 0))
(clobber (reg:CC 17))])]
"operands[0] = gen_rtx_REG (GET_MODE (operands[0]) == DImode ? DImode : SImode,
true_regnum (operands[0]));")
"operands[0] = gen_lowpart (GET_MODE (operands[0]) == DImode ? DImode : SImode,
operands[0]);")
(define_peephole2
[(set (strict_low_part (match_operand 0 "register_operand" ""))
@ -18059,8 +18059,8 @@
&& peep2_regno_dead_p (0, FLAGS_REG)"
[(parallel [(set (match_dup 0) (const_int -1))
(clobber (reg:CC 17))])]
"operands[0] = gen_rtx_REG (GET_MODE (operands[0]) == DImode ? DImode : SImode,
true_regnum (operands[0]));")
"operands[0] = gen_lowpart (GET_MODE (operands[0]) == DImode ? DImode : SImode,
operands[0]);")
;; Attempt to convert simple leas to adds. These can be created by
;; move expanders.