在 2023/12/12 下午6:05, Xi Ruoyao 写道:
On Tue, 2023-12-12 at 17:50 +0800, Jiahao Xu wrote:
diff --git a/gcc/testsuite/gcc.target/loongarch/short-circuit.c
b/gcc/testsuite/gcc.target/loongarch/short-circuit.c
new file mode 100644
index 00000000000..2cef0193466
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/short-circuit.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-gimple" } */
+
+int
+short_circuit (float *a)
+{
+ float t1x = a[0];
+ float t2x = a[1];
+ float t1y = a[2];
+ float t2y = a[3];
+ float t1z = a[4];
+ float t2z = a[5];
+
+ if (t1x > t2y || t2x < t1y || t1x > t2z || t2x < t1z || t1y > t2z || t2y <
t1z)
+ return 0;
+
+ return 1;
+}
+/* { dg-final { scan-tree-dump-times "if" 6 "gimple" } } */
This test already passes without defining LOGICAL_OP_NON_SHORT_CIRCUIT.
Or am I missing something here?
This test also needs to add the compilation option -ffast-math. I missed
it. Thanks for the reminder.
