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arm.md (abssi2): Allow Thumb as well.

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* arm.md (abssi2): Allow Thumb as well.	 Use an SImode scratch for
	Thumb.
	(arm_neg_abssi2): Renamed from neg_abssi2.
	(thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.

From-SVN: r118884
This commit is contained in:
Richard Earnshaw 2006-11-16 08:57:50 +00:00 committed by Richard Earnshaw
parent 56829cae9c
commit ecaf6f0780
2 changed files with 45 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2006-11-16 Richard Earnshaw <rearnsha@arm.com>
* arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
Thumb.
(arm_neg_abssi2): Renamed from neg_abssi2.
(thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2006-11-16 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (ix86_function_sseregparm): Fix comment:

43
gcc/config/arm/arm.md
View File

@ -3066,12 +3066,17 @@
[(parallel
[(set (match_operand:SI 0 "s_register_operand" "")
(abs:SI (match_operand:SI 1 "s_register_operand" "")))
(clobber (reg:CC CC_REGNUM))])]
"TARGET_ARM"
"")
(clobber (match_dup 2))])]
"TARGET_EITHER"
"
if (TARGET_THUMB)
operands[2] = gen_rtx_SCRATCH (SImode);
else
operands[2] = gen_rtx_REG (CCmode, CC_REGNUM);
")
(define_insn "*arm_abssi2"
[(set (match_operand:SI 0 "s_register_operand" "=r,&r")
[(set (match_operand:SI 0 "s_register_operand" "=r,&r")
(abs:SI (match_operand:SI 1 "s_register_operand" "0,r")))
(clobber (reg:CC CC_REGNUM))]
"TARGET_ARM"
@ -3084,7 +3089,21 @@
(set_attr "length" "8")]
)
(define_insn "*neg_abssi2"
(define_insn_and_split "*thumb_abssi2"
[(set (match_operand:SI 0 "s_register_operand" "=l")
(abs:SI (match_operand:SI 1 "s_register_operand" "l")))
(clobber (match_scratch:SI 2 "=&l"))]
"TARGET_THUMB"
"#"
"TARGET_THUMB && reload_completed"
[(set (match_dup 2) (ashiftrt:SI (match_dup 1) (const_int 31)))
(set (match_dup 0) (plus:SI (match_dup 1) (match_dup 2)))
(set (match_dup 0) (xor:SI (match_dup 0) (match_dup 2)))]
""
[(set_attr "length" "6")]
)
(define_insn "*arm_neg_abssi2"
[(set (match_operand:SI 0 "s_register_operand" "=r,&r")
(neg:SI (abs:SI (match_operand:SI 1 "s_register_operand" "0,r"))))
(clobber (reg:CC CC_REGNUM))]
@ -3098,6 +3117,20 @@
(set_attr "length" "8")]
)
(define_insn_and_split "*thumb_neg_abssi2"
[(set (match_operand:SI 0 "s_register_operand" "=l")
(neg:SI (abs:SI (match_operand:SI 1 "s_register_operand" "l"))))
(clobber (match_scratch:SI 2 "=&l"))]
"TARGET_THUMB"
"#"
"TARGET_THUMB && reload_completed"
[(set (match_dup 2) (ashiftrt:SI (match_dup 1) (const_int 31)))
(set (match_dup 0) (minus:SI (match_dup 2) (match_dup 1)))
(set (match_dup 0) (xor:SI (match_dup 0) (match_dup 2)))]
""
[(set_attr "length" "6")]
)
(define_expand "abssf2"
[(set (match_operand:SF 0 "s_register_operand" "")
(abs:SF (match_operand:SF 1 "s_register_operand" "")))]