Cranelift: Implement iadd_cout on x64 for 32- and 64-bit integers (#5285)

* Split the `iadd_cout` runtests by type

* Implement `iadd_cout` for 32- and 64-bit values on x64

* Delete trailing whitespace in `riscv/lower.isle`

cranelift/filetests/filetests/runtests/iaddcout-i16.clif

@@ -0,0 +1,29 @@
+test interpret
+test run
+target aarch64
+; target s390x
+; target x86_64
+; target riscv64
+
+function %iaddcout_i16_v(i16, i16) -> i16 {
+block0(v0: i16, v1: i16):
+    v2, v3 = iadd_cout v0, v1
+    return v2
+}
+; run: %iaddcout_i16_v(0, 1) == 1
+; run: %iaddcout_i16_v(100, 27) == 127
+; run: %iaddcout_i16_v(100, 28) == 128
+; run: %iaddcout_i16_v(32000, 767) == 32767
+; run: %iaddcout_i16_v(32000, 768) == -32768
+
+function %iaddcout_i16_c(i16, i16) -> i8 {
+block0(v0: i16, v1: i16):
+    v2, v3 = iadd_cout v0, v1
+    return v3
+}
+; run: %iaddcout_i16_c(0, 1) == 0
+; run: %iaddcout_i16_c(100, 27) == 0
+; run: %iaddcout_i16_c(100, 28) == 0
+; run: %iaddcout_i16_c(32000, 767) == 0
+; run: %iaddcout_i16_c(32000, 768) == 1
+

cranelift/filetests/filetests/runtests/iaddcout-i32.clif

@@ -0,0 +1,29 @@
+test interpret
+test run
+target aarch64
+; target s390x
+target x86_64
+; target riscv64
+
+function %iaddcout_i32_v(i32, i32) -> i32 {
+block0(v0: i32, v1: i32):
+    v2, v3 = iadd_cout v0, v1
+    return v2
+}
+; run: %iaddcout_i32_v(0, 1) == 1
+; run: %iaddcout_i32_v(100, 27) == 127
+; run: %iaddcout_i32_v(100, 28) == 128
+; run: %iaddcout_i32_v(2000000000, 147483647) == 2147483647
+; run: %iaddcout_i32_v(2000000000, 147483648) == -2147483648
+
+function %iaddcout_i32_c(i32, i32) -> i8 {
+block0(v0: i32, v1: i32):
+    v2, v3 = iadd_cout v0, v1
+    return v3
+}
+; run: %iaddcout_i32_c(0, 1) == 0
+; run: %iaddcout_i32_c(100, 27) == 0
+; run: %iaddcout_i32_c(100, 28) == 0
+; run: %iaddcout_i32_c(2000000000, 147483647) == 0
+; run: %iaddcout_i32_c(2000000000, 147483648) == 1
+

cranelift/filetests/filetests/runtests/iaddcout-i64.clif

@@ -0,0 +1,28 @@
+test interpret
+test run
+target aarch64
+; target s390x
+target x86_64
+; target riscv64
+
+function %iaddcout_i64_v(i64, i64) -> i64 {
+block0(v0: i64, v1: i64):
+    v2, v3 = iadd_cout v0, v1
+    return v2
+}
+; run: %iaddcout_i64_v(0, 1) == 1
+; run: %iaddcout_i64_v(100, 27) == 127
+; run: %iaddcout_i64_v(100, 28) == 128
+; run: %iaddcout_i64_v(0x7FFFFFFF_FFFF0000, 0xFFFF) == 0x7FFFFFFF_FFFFFFFF
+; run: %iaddcout_i64_v(0x7FFFFFFF_FFFF0000, 0x10000) == 0x80000000_00000000
+
+function %iaddcout_i64_c(i64, i64) -> i8 {
+block0(v0: i64, v1: i64):
+    v2, v3 = iadd_cout v0, v1
+    return v3
+}
+; run: %iaddcout_i64_c(0, 1) == 0
+; run: %iaddcout_i64_c(100, 27) == 0
+; run: %iaddcout_i64_c(100, 28) == 0
+; run: %iaddcout_i64_c(0x7FFFFFFF_FFFF0000, 0xFFFF) == 0
+; run: %iaddcout_i64_c(0x7FFFFFFF_FFFF0000, 0x10000) == 1

cranelift/filetests/filetests/runtests/iaddcout-i8.clif

@@ -0,0 +1,29 @@
+test interpret
+test run
+target aarch64
+; target s390x
+; target x86_64
+; target riscv64
+
+function %iaddcout_i8_v(i8, i8) -> i8 {
+block0(v0: i8, v1: i8):
+    v2, v3 = iadd_cout v0, v1
+    return v2
+}
+; run: %iaddcout_i8_v(0, 1) == 1
+; run: %iaddcout_i8_v(100, 27) == 127
+; run: %iaddcout_i8_v(100, -20) == 80
+; run: %iaddcout_i8_v(100, 28) == -128
+; run: %iaddcout_i8_v(-128, -128) == 0
+
+function %iaddcout_i8_c(i8, i8) -> i8 {
+block0(v0: i8, v1: i8):
+    v2, v3 = iadd_cout v0, v1
+    return v3
+}
+; run: %iaddcout_i8_c(0, 1) == 0
+; run: %iaddcout_i8_c(100, 27) == 0
+; run: %iaddcout_i8_c(100, -20) == 0
+; run: %iaddcout_i8_c(100, 28) == 1
+; run: %iaddcout_i8_c(-128, -128) == 1
+

cranelift/filetests/filetests/runtests/iaddcout.clif

@@ -1,94 +0,0 @@
-test interpret
-test run
-target aarch64
-; target s390x
-; target x86_64
-; target riscv64
-
-function %iaddcout_i8_v(i8, i8) -> i8 {
-block0(v0: i8, v1: i8):
-    v2, v3 = iadd_cout v0, v1
-    return v2
-}
-; run: %iaddcout_i8_v(0, 1) == 1
-; run: %iaddcout_i8_v(100, 27) == 127
-; run: %iaddcout_i8_v(100, -20) == 80
-; run: %iaddcout_i8_v(100, 28) == -128
-; run: %iaddcout_i8_v(-128, -128) == 0
-
-function %iaddcout_i8_c(i8, i8) -> i8 {
-block0(v0: i8, v1: i8):
-    v2, v3 = iadd_cout v0, v1
-    return v3
-}
-; run: %iaddcout_i8_c(0, 1) == 0
-; run: %iaddcout_i8_c(100, 27) == 0
-; run: %iaddcout_i8_c(100, -20) == 0
-; run: %iaddcout_i8_c(100, 28) == 1
-; run: %iaddcout_i8_c(-128, -128) == 1
-
-function %iaddcout_i16_v(i16, i16) -> i16 {
-block0(v0: i16, v1: i16):
-    v2, v3 = iadd_cout v0, v1
-    return v2
-}
-; run: %iaddcout_i16_v(0, 1) == 1
-; run: %iaddcout_i16_v(100, 27) == 127
-; run: %iaddcout_i16_v(100, 28) == 128
-; run: %iaddcout_i16_v(32000, 767) == 32767
-; run: %iaddcout_i16_v(32000, 768) == -32768
-
-function %iaddcout_i16_c(i16, i16) -> i8 {
-block0(v0: i16, v1: i16):
-    v2, v3 = iadd_cout v0, v1
-    return v3
-}
-; run: %iaddcout_i16_c(0, 1) == 0
-; run: %iaddcout_i16_c(100, 27) == 0
-; run: %iaddcout_i16_c(100, 28) == 0
-; run: %iaddcout_i16_c(32000, 767) == 0
-; run: %iaddcout_i16_c(32000, 768) == 1
-
-function %iaddcout_i32_v(i32, i32) -> i32 {
-block0(v0: i32, v1: i32):
-    v2, v3 = iadd_cout v0, v1
-    return v2
-}
-; run: %iaddcout_i32_v(0, 1) == 1
-; run: %iaddcout_i32_v(100, 27) == 127
-; run: %iaddcout_i32_v(100, 28) == 128
-; run: %iaddcout_i32_v(2000000000, 147483647) == 2147483647
-; run: %iaddcout_i32_v(2000000000, 147483648) == -2147483648
-
-function %iaddcout_i32_c(i32, i32) -> i8 {
-block0(v0: i32, v1: i32):
-    v2, v3 = iadd_cout v0, v1
-    return v3
-}
-; run: %iaddcout_i32_c(0, 1) == 0
-; run: %iaddcout_i32_c(100, 27) == 0
-; run: %iaddcout_i32_c(100, 28) == 0
-; run: %iaddcout_i32_c(2000000000, 147483647) == 0
-; run: %iaddcout_i32_c(2000000000, 147483648) == 1
-
-function %iaddcout_i64_v(i64, i64) -> i64 {
-block0(v0: i64, v1: i64):
-    v2, v3 = iadd_cout v0, v1
-    return v2
-}
-; run: %iaddcout_i64_v(0, 1) == 1
-; run: %iaddcout_i64_v(100, 27) == 127
-; run: %iaddcout_i64_v(100, 28) == 128
-; run: %iaddcout_i64_v(0x7FFFFFFF_FFFF0000, 0xFFFF) == 0x7FFFFFFF_FFFFFFFF
-; run: %iaddcout_i64_v(0x7FFFFFFF_FFFF0000, 0x10000) == 0x80000000_00000000
-
-function %iaddcout_i64_c(i64, i64) -> i8 {
-block0(v0: i64, v1: i64):
-    v2, v3 = iadd_cout v0, v1
-    return v3
-}
-; run: %iaddcout_i64_c(0, 1) == 0
-; run: %iaddcout_i64_c(100, 27) == 0
-; run: %iaddcout_i64_c(100, 28) == 0
-; run: %iaddcout_i64_c(0x7FFFFFFF_FFFF0000, 0xFFFF) == 0
-; run: %iaddcout_i64_c(0x7FFFFFFF_FFFF0000, 0x10000) == 1