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[nvptx] Add atomic_fetch* support for SImode arguments.

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gcc/
	* config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable with
	SImode args.

	gcc/testsuite/
	* gcc.target/nvptx/atomic-fetch-2.c: Rename to ...
	* gcc.target/nvptx/atomic_fetch-2.c: ... this.
	* gcc.target/nvptx/atomic_fetch-3.c: New test.


Co-Authored-By: Bernd Schmidt <bernds_cb1@t-online.de>

From-SVN: r264371
This commit is contained in:
Cesar Philippidis 2018-09-17 12:59:19 -07:00 committed by Cesar Philippidis
parent fa540cecf5
commit 69d7aabfd8
5 changed files with 38 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-09-17 Cesar Philippidis <cesar@codesourcery.com>
Bernd Schmidt <bernds_cb1@t-online.de>
* config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable with
SImode args.
2018-09-17 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (truncxf<mode>2_i387_noop_unspec): Change

2
gcc/config/nvptx/nvptx.md
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@ -1449,7 +1449,7 @@
UNSPECV_LOCK))
(set (match_operand:SDIM 0 "nvptx_register_operand" "=R")
(match_dup 1))]
"TARGET_SM35"
"<MODE>mode == SImode || TARGET_SM35"
"%.\\tatom%A1.b%T0.<logic>\\t%0, %1, %2;"
[(set_attr "atomic" "true")])

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2018-09-17 Cesar Philippidis <cesar@codesourcery.com>
Bernd Schmidt <bernds_cb1@t-online.de>
* gcc.target/nvptx/atomic-fetch-2.c: Rename to ...
* gcc.target/nvptx/atomic_fetch-2.c: ... this.
* gcc.target/nvptx/atomic_fetch-3.c: New test.
2018-09-17 Richard Biener <rguenther@suse.de>
PR tree-optimization/87328

0
gcc/testsuite/gcc.target/nvptx/atomic-fetch-2.c → gcc/testsuite/gcc.target/nvptx/atomic_fetch-2.c
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24
gcc/testsuite/gcc.target/nvptx/atomic_fetch-3.c Normal file
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@ -0,0 +1,24 @@
/* Test the nvptx atomic instructions for __atomic_fetch_OP for
SImode arguments. */
/* { dg-do compile } */
/* { dg-options "-O2 -m32" } */
int
main()
{
unsigned long a = ~0;
unsigned b = 0xa;
__atomic_fetch_add (&a, b, 0);
__atomic_fetch_and (&a, b, 0);
__atomic_fetch_or (&a, b, 0);
__atomic_fetch_xor (&a, b, 0);
return a;
}
/* { dg-final { scan-assembler "atom.add.u32" } } */
/* { dg-final { scan-assembler "atom.b32.and" } } */
/* { dg-final { scan-assembler "atom.b32.or" } } */
/* { dg-final { scan-assembler "atom.b32.xor" } } */