From: Cesar Philippidis <cesar@codesourcery.com>
Date: Mon, 17 Sep 2018 19:59:19 +0000 (-0700)
Subject: [nvptx] Add atomic_fetch* support for SImode arguments.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=69d7aabfd8fec442047cefb136b1fd2680310fa9;p=gcc.git

[nvptx] Add atomic_fetch* support for SImode arguments.

	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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a9e05898ab9..017aa6446cc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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
diff --git a/gcc/config/nvptx/nvptx.md b/gcc/config/nvptx/nvptx.md
index dd6032d021b..ca00b1d8073 100644
--- a/gcc/config/nvptx/nvptx.md
+++ b/gcc/config/nvptx/nvptx.md
@@ -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")])
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5cce863e58a..ddf5f730e79 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -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
diff --git a/gcc/testsuite/gcc.target/nvptx/atomic-fetch-2.c b/gcc/testsuite/gcc.target/nvptx/atomic-fetch-2.c
deleted file mode 100644
index 1d35a176a62..00000000000
--- a/gcc/testsuite/gcc.target/nvptx/atomic-fetch-2.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Test the nvptx atomic instructions for __atomic_fetch_OP for SM_30
-   targets.  */
-
-/* { dg-do compile } */
-/* { dg-options "-O2 -misa=sm_30" } */
-
-int
-main()
-{
-  unsigned long 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-not "atom.b64.add" } } */
-/* { dg-final { scan-assembler-not "atom.b64.and" } } */
-/* { dg-final { scan-assembler-not "atom.b64.or" } } */
-/* { dg-final { scan-assembler-not "atom.b64.xor" } } */
diff --git a/gcc/testsuite/gcc.target/nvptx/atomic_fetch-2.c b/gcc/testsuite/gcc.target/nvptx/atomic_fetch-2.c
new file mode 100644
index 00000000000..1d35a176a62
--- /dev/null
+++ b/gcc/testsuite/gcc.target/nvptx/atomic_fetch-2.c
@@ -0,0 +1,24 @@
+/* Test the nvptx atomic instructions for __atomic_fetch_OP for SM_30
+   targets.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O2 -misa=sm_30" } */
+
+int
+main()
+{
+  unsigned long 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-not "atom.b64.add" } } */
+/* { dg-final { scan-assembler-not "atom.b64.and" } } */
+/* { dg-final { scan-assembler-not "atom.b64.or" } } */
+/* { dg-final { scan-assembler-not "atom.b64.xor" } } */
diff --git a/gcc/testsuite/gcc.target/nvptx/atomic_fetch-3.c b/gcc/testsuite/gcc.target/nvptx/atomic_fetch-3.c
new file mode 100644
index 00000000000..36a83ebba9b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/nvptx/atomic_fetch-3.c
@@ -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" } } */