summaryrefslogtreecommitdiffstats
path: root/test/CodeGen/SystemZ/fp-cmp-03.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/SystemZ/fp-cmp-03.ll')
-rw-r--r--test/CodeGen/SystemZ/fp-cmp-03.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-cmp-03.ll b/test/CodeGen/SystemZ/fp-cmp-03.ll
new file mode 100644
index 0000000..fd12c93
--- /dev/null
+++ b/test/CodeGen/SystemZ/fp-cmp-03.ll
@@ -0,0 +1,20 @@
+; Test 128-bit floating-point comparison.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; There is no memory form of 128-bit comparison.
+define i64 @f1(i64 %a, i64 %b, fp128 *%ptr, float %f2) {
+; CHECK: f1:
+; CHECK: lxebr %f0, %f0
+; CHECK: ld %f1, 0(%r4)
+; CHECK: ld %f3, 8(%r4)
+; CHECK: cxbr %f1, %f0
+; CHECK-NEXT: j{{g?}}e
+; CHECK: lgr %r2, %r3
+; CHECK: br %r14
+ %f2x = fpext float %f2 to fp128
+ %f1 = load fp128 *%ptr
+ %cond = fcmp oeq fp128 %f1, %f2x
+ %res = select i1 %cond, i64 %a, i64 %b
+ ret i64 %res
+}
OpenPOWER on IntegriCloud