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backport: re PR target/57623 (BEXTR intrinsic has memory operands switched around (fails to compile code)) 

Backported from mainline
	2013-06-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/57623
	* config/i386/i386.md (bmi2_bzhi_<mode>3): Swap AND arguments
	to match RTL canonicalization.  Swap predicates and
	constraints of operand 1 and 2.

	* gcc.target/i386/bmi2-bzhi-1.c: New test.

From-SVN: r210166
This commit is contained in:
Jakub Jelinek 2014-05-07 17:54:34 +02:00 committed by Jakub Jelinek
parent 338b4a6f09
commit bc5874827e
4 changed files with 52 additions and 3 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2014-05-07 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2013-06-27 Jakub Jelinek <jakub@redhat.com>
PR target/57623
* config/i386/i386.md (bmi2_bzhi_<mode>3): Swap AND arguments
to match RTL canonicalization. Swap predicates and
constraints of operand 1 and 2.
2014-05-07 Richard Biener <rguenther@suse.de>
Backport from mainline

6
gcc/config/i386/i386.md
View File

@ -12127,9 +12127,9 @@
;; BMI2 instructions.
(define_insn "bmi2_bzhi_<mode>3"
[(set (match_operand:SWI48 0 "register_operand" "=r")
(and:SWI48 (match_operand:SWI48 1 "register_operand" "r")
(lshiftrt:SWI48 (const_int -1)
(match_operand:SWI48 2 "nonimmediate_operand" "rm"))))
(and:SWI48 (lshiftrt:SWI48 (const_int -1)
(match_operand:SWI48 2 "register_operand" "r"))
(match_operand:SWI48 1 "nonimmediate_operand" "rm")))
(clobber (reg:CC FLAGS_REG))]
"TARGET_BMI2"
"bzhi\t{%2, %1, %0|%0, %1, %2}"

8
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,11 @@
2014-05-07 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2013-06-27 Jakub Jelinek <jakub@redhat.com>
PR target/57623
* gcc.target/i386/bmi2-bzhi-1.c: New test.
2014-05-07 Richard Biener <rguenther@suse.de>
Backport from mainline

31
gcc/testsuite/gcc.target/i386/bmi2-bzhi-1.c Normal file
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@ -0,0 +1,31 @@
/* PR target/57623 */
/* { dg-do assemble { target bmi2 } } */
/* { dg-options "-O2 -mbmi2" } */
#include <x86intrin.h>
unsigned int
f1 (unsigned int x, unsigned int *y)
{
return _bzhi_u32 (x, *y);
}
unsigned int
f2 (unsigned int *x, unsigned int y)
{
return _bzhi_u32 (*x, y);
}
#ifdef __x86_64__
unsigned long long
f3 (unsigned long long x, unsigned long long *y)
{
return _bzhi_u64 (x, *y);
}
unsigned long long
f4 (unsigned long long *x, unsigned long long y)
{
return _bzhi_u64 (*x, y);
}
#endif