[AArch64][PR65139] use clobber with match_scratch for aarch64_lshr_sisd_or_int_<mode>3
Kugan
kugan.vivekanandarajah@linaro.org
Wed Apr 15 23:00:00 GMT 2015
On 16/04/15 08:32, Jakub Jelinek wrote:
> On Thu, Apr 16, 2015 at 08:27:24AM +1000, Kugan wrote:
>> + if (<CODE> == LSHIFTRT)
>> + {
>> + emit_insn (gen_aarch64_lshr_sisd_or_int_<mode>3 (operands[0], operands[1], operands[2]));
>
> That is way too long line, please wrap it.
>
>> + DONE;
>> + }
>> }
>> )
>>
>> @@ -3361,11 +3367,12 @@
>> )
>>
>> ;; Logical right shift using SISD or Integer instruction
>> -(define_insn "*aarch64_lshr_sisd_or_int_<mode>3"
>> - [(set (match_operand:GPI 0 "register_operand" "=w,&w,r")
>> +(define_insn "aarch64_lshr_sisd_or_int_<mode>3"
>> + [(set (match_operand:GPI 0 "register_operand" "=w,w,r")
>> (lshiftrt:GPI
>> (match_operand:GPI 1 "register_operand" "w,w,r")
>> - (match_operand:QI 2 "aarch64_reg_or_shift_imm_<mode>" "Us<cmode>,w,rUs<cmode>")))]
>> + (match_operand:QI 2 "aarch64_reg_or_shift_imm_<mode>" "Us<cmode>,w,rUs<cmode>")))
>
> Though, this one too...
>
Fixed in the attached patch.
Thanks,
Kugan
-------------- next part --------------
diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
index 534a862..72a9f05 100644
--- a/gcc/config/aarch64/aarch64.md
+++ b/gcc/config/aarch64/aarch64.md
@@ -3277,6 +3277,14 @@
DONE;
}
}
+
+ if (<CODE> == LSHIFTRT)
+ {
+ emit_insn (gen_aarch64_lshr_sisd_or_int_<mode>3 (operands[0],
+ operands[1],
+ operands[2]));
+ DONE;
+ }
}
)
@@ -3361,11 +3369,13 @@
)
;; Logical right shift using SISD or Integer instruction
-(define_insn "*aarch64_lshr_sisd_or_int_<mode>3"
- [(set (match_operand:GPI 0 "register_operand" "=w,&w,r")
+(define_insn "aarch64_lshr_sisd_or_int_<mode>3"
+ [(set (match_operand:GPI 0 "register_operand" "=w,w,r")
(lshiftrt:GPI
(match_operand:GPI 1 "register_operand" "w,w,r")
- (match_operand:QI 2 "aarch64_reg_or_shift_imm_<mode>" "Us<cmode>,w,rUs<cmode>")))]
+ (match_operand:QI 2 "aarch64_reg_or_shift_imm_<mode>"
+ "Us<cmode>,w,rUs<cmode>")))
+ (clobber (match_scratch:QI 3 "=X,w,X"))]
""
"@
ushr\t%<rtn>0<vas>, %<rtn>1<vas>, %2
@@ -3379,30 +3389,28 @@
[(set (match_operand:DI 0 "aarch64_simd_register")
(lshiftrt:DI
(match_operand:DI 1 "aarch64_simd_register")
- (match_operand:QI 2 "aarch64_simd_register")))]
+ (match_operand:QI 2 "aarch64_simd_register")))
+ (clobber (match_scratch:QI 3))]
"TARGET_SIMD && reload_completed"
[(set (match_dup 3)
(unspec:QI [(match_dup 2)] UNSPEC_SISD_NEG))
(set (match_dup 0)
(unspec:DI [(match_dup 1) (match_dup 3)] UNSPEC_SISD_USHL))]
- {
- operands[3] = gen_lowpart (QImode, operands[0]);
- }
+ ""
)
(define_split
[(set (match_operand:SI 0 "aarch64_simd_register")
(lshiftrt:SI
(match_operand:SI 1 "aarch64_simd_register")
- (match_operand:QI 2 "aarch64_simd_register")))]
+ (match_operand:QI 2 "aarch64_simd_register")))
+ (clobber (match_scratch:QI 3))]
"TARGET_SIMD && reload_completed"
[(set (match_dup 3)
(unspec:QI [(match_dup 2)] UNSPEC_SISD_NEG))
(set (match_dup 0)
(unspec:SI [(match_dup 1) (match_dup 3)] UNSPEC_USHL_2S))]
- {
- operands[3] = gen_lowpart (QImode, operands[0]);
- }
+ ""
)
;; Arithmetic right shift using SISD or Integer instruction
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