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authorTom de Vries <tom@codesourcery.com>2018-01-24 11:27:10 +0000
committerTom de Vries <vries@gcc.gnu.org>2018-01-24 11:27:10 +0000
commitbe606483c9fc0c79ffb671238404203e01288b00 (patch)
tree3d9c63f4ff1840ebbb4488c1600f69f076b6afcd
parent6acfd18c395cca3d0c5acf9d62a3c1556ea58d90 (diff)
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[nvptx, PR81352] Add exit insn after noreturn call for neutered threads in warp
2018-01-24 Tom de Vries <tom@codesourcery.com> PR target/81352 * config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call for neutered threads in warp. * config/nvptx/nvptx.md (define_insn "exit"): New insn. * testsuite/libgomp.oacc-fortran/pr81352.f90: New test. From-SVN: r257014
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/config/nvptx/nvptx.c7
-rw-r--r--gcc/config/nvptx/nvptx.md5
-rw-r--r--libgomp/ChangeLog5
-rw-r--r--libgomp/testsuite/libgomp.oacc-fortran/pr81352.f9020
5 files changed, 43 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0e48b86..e4eba86 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2018-01-24 Tom de Vries <tom@codesourcery.com>
+
+ PR target/81352
+ * config/nvptx/nvptx.c (nvptx_single): Add exit insn after noreturn call
+ for neutered threads in warp.
+ * config/nvptx/nvptx.md (define_insn "exit"): New insn.
+
2018-01-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/83176
diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c
index f5bb438..3516740 100644
--- a/gcc/config/nvptx/nvptx.c
+++ b/gcc/config/nvptx/nvptx.c
@@ -4062,7 +4062,12 @@ nvptx_single (unsigned mask, basic_block from, basic_block to)
if (tail_branch)
before = emit_label_before (label, before);
else
- emit_label_after (label, tail);
+ {
+ rtx_insn *label_insn = emit_label_after (label, tail);
+ if (mode == GOMP_DIM_VECTOR && CALL_P (tail)
+ && find_reg_note (tail, REG_NORETURN, NULL))
+ emit_insn_after (gen_exit (), label_insn);
+ }
}
/* Now deal with propagating the branch condition. */
diff --git a/gcc/config/nvptx/nvptx.md b/gcc/config/nvptx/nvptx.md
index f9c087b..135479b 100644
--- a/gcc/config/nvptx/nvptx.md
+++ b/gcc/config/nvptx/nvptx.md
@@ -994,6 +994,11 @@
""
"")
+(define_insn "exit"
+ [(const_int 1)]
+ ""
+ "exit;")
+
(define_insn "return"
[(return)]
""
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index c308227..11cda22 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-24 Tom de Vries <tom@codesourcery.com>
+
+ PR target/81352
+ * testsuite/libgomp.oacc-fortran/pr81352.f90: New test.
+
2018-01-19 Tom de Vries <tom@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/pr81352.f90 b/libgomp/testsuite/libgomp.oacc-fortran/pr81352.f90
new file mode 100644
index 0000000..f6969c8
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-fortran/pr81352.f90
@@ -0,0 +1,20 @@
+! { dg-do run }
+
+program foo
+ integer :: a(3,3), l, ll
+ a = 0
+
+ !$acc parallel num_gangs (1) num_workers(1)
+
+ do l=1,3
+ !$acc loop vector
+ do ll=1,3
+ a(l,ll) = 2
+ enddo
+ enddo
+
+ if (any(a(1:3,1:3).ne.2)) call abort
+
+ !$acc end parallel
+
+end program foo