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-rw-r--r--js/src/jit-test/tests/wasm/regress/long-select.js38
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/regress/long-select.js b/js/src/jit-test/tests/wasm/regress/long-select.js
new file mode 100644
index 0000000000..dfda4e6799
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/regress/long-select.js
@@ -0,0 +1,38 @@
+// Bug 1337060 causes too much register pressure on x86 by requiring four int64
+// values in registers at the same time.
+
+wasmFullPassI64(`
+(module
+ (func $run (result i64)
+ i64.const 0x2800000033
+ i64.const 0x9900000044
+ i64.const 0x1000000012
+ i64.const 0x1000000013
+ i64.lt_s
+ select))`, "0x2800000033");
+
+wasmFullPassI64(`
+(module
+ (func $run (result i64)
+ i64.const 0x2800000033
+ i64.const 0x9900000044
+ i64.const 0x1000000013
+ i64.const 0x1000000012
+ i64.lt_s
+ select))`, "0x9900000044");
+
+wasmFullPassI64(`
+(module
+ (func $run (param f32) (result i64)
+ i64.const 0x13100000001
+ i64.const 0x23370000002
+ i64.const 0x34480000003
+ i32.const 1
+ select
+ i32.const 1
+ select
+ i64.const 0x45590000004
+ i32.const 1
+ select
+ )
+)`, "0x13100000001", {}, 'f32.const 0');