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cmd/internal/obj/riscv: clean up branch tests
Address review comments from earlier changes, which would have previously caused unwanted conflicts. Change-Id: If2c61ffe977d721cccf276f931825b003521fda1 Reviewed-on: https://go-review.googlesource.com/c/go/+/284116 Trust: Joel Sing <joel@sing.id.au> Reviewed-by: Cherry Zhang <cherryyz@google.com> Run-TryBot: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Joel Sing
parent
c4b771348c
commit
6525abddce
@ -25,84 +25,73 @@ func testBLTU(a, b int64) (r bool)
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func testBLTZ(a int64) (r bool)
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func testBNEZ(a int64) (r bool)
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func testGoBGE(a, b int64) bool { return a >= b }
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func testGoBGEU(a, b int64) bool { return uint64(a) >= uint64(b) }
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func testGoBGT(a, b int64) bool { return a > b }
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func testGoBGTU(a, b int64) bool { return uint64(a) > uint64(b) }
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func testGoBLE(a, b int64) bool { return a <= b }
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func testGoBLEU(a, b int64) bool { return uint64(a) <= uint64(b) }
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func testGoBLT(a, b int64) bool { return a < b }
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func testGoBLTZ(a, b int64) bool { return uint64(a) < uint64(b) }
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func TestBranchCondition(t *testing.T) {
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tests := []struct {
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ins string
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a int64
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b int64
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fn func(a, b int64) bool
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goFn func(a, b int64) bool
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want bool
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}{
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{"BGE", 0, 1, testBGE, false},
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{"BGE", 0, 0, testBGE, true},
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{"BGE", 0, -1, testBGE, true},
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{"BGE", -1, 0, testBGE, false},
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{"BGE", 1, 0, testBGE, true},
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{"BGEU", 0, 1, testBGEU, false},
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{"BGEU", 0, 0, testBGEU, true},
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{"BGEU", 0, -1, testBGEU, false},
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{"BGEU", -1, 0, testBGEU, true},
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{"BGEU", 1, 0, testBGEU, true},
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{"BGT", 0, 1, testBGT, false},
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{"BGT", 0, 0, testBGT, false},
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{"BGT", 0, -1, testBGT, true},
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{"BGT", -1, 0, testBGT, false},
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{"BGT", 1, 0, testBGT, true},
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{"BGTU", 0, 1, testBGTU, false},
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{"BGTU", 0, 0, testBGTU, false},
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{"BGTU", 0, -1, testBGTU, false},
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{"BGTU", -1, 0, testBGTU, true},
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{"BGTU", 1, 0, testBGTU, true},
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{"BLE", 0, 1, testBLE, true},
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{"BLE", 0, 0, testBLE, true},
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{"BLE", 0, -1, testBLE, false},
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{"BLE", -1, 0, testBLE, true},
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{"BLE", 1, 0, testBLE, false},
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{"BLEU", 0, 1, testBLEU, true},
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{"BLEU", 0, 0, testBLEU, true},
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{"BLEU", 0, -1, testBLEU, true},
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{"BLEU", -1, 0, testBLEU, false},
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{"BLEU", 1, 0, testBLEU, false},
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{"BLT", 0, 1, testBLT, true},
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{"BLT", 0, 0, testBLT, false},
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{"BLT", 0, -1, testBLT, false},
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{"BLT", -1, 0, testBLT, true},
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{"BLT", 1, 0, testBLT, false},
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{"BLTU", 0, 1, testBLTU, true},
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{"BLTU", 0, 0, testBLTU, false},
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{"BLTU", 0, -1, testBLTU, true},
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{"BLTU", -1, 0, testBLTU, false},
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{"BLTU", 1, 0, testBLTU, false},
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{"BGE", 0, 1, testBGE, testGoBGE, false},
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{"BGE", 0, 0, testBGE, testGoBGE, true},
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{"BGE", 0, -1, testBGE, testGoBGE, true},
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{"BGE", -1, 0, testBGE, testGoBGE, false},
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{"BGE", 1, 0, testBGE, testGoBGE, true},
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{"BGEU", 0, 1, testBGEU, testGoBGEU, false},
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{"BGEU", 0, 0, testBGEU, testGoBGEU, true},
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{"BGEU", 0, -1, testBGEU, testGoBGEU, false},
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{"BGEU", -1, 0, testBGEU, testGoBGEU, true},
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{"BGEU", 1, 0, testBGEU, testGoBGEU, true},
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{"BGT", 0, 1, testBGT, testGoBGT, false},
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{"BGT", 0, 0, testBGT, testGoBGT, false},
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{"BGT", 0, -1, testBGT, testGoBGT, true},
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{"BGT", -1, 0, testBGT, testGoBGT, false},
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{"BGT", 1, 0, testBGT, testGoBGT, true},
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{"BGTU", 0, 1, testBGTU, testGoBGTU, false},
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{"BGTU", 0, 0, testBGTU, testGoBGTU, false},
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{"BGTU", 0, -1, testBGTU, testGoBGTU, false},
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{"BGTU", -1, 0, testBGTU, testGoBGTU, true},
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{"BGTU", 1, 0, testBGTU, testGoBGTU, true},
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{"BLE", 0, 1, testBLE, testGoBLE, true},
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{"BLE", 0, 0, testBLE, testGoBLE, true},
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{"BLE", 0, -1, testBLE, testGoBLE, false},
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{"BLE", -1, 0, testBLE, testGoBLE, true},
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{"BLE", 1, 0, testBLE, testGoBLE, false},
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{"BLEU", 0, 1, testBLEU, testGoBLEU, true},
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{"BLEU", 0, 0, testBLEU, testGoBLEU, true},
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{"BLEU", 0, -1, testBLEU, testGoBLEU, true},
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{"BLEU", -1, 0, testBLEU, testGoBLEU, false},
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{"BLEU", 1, 0, testBLEU, testGoBLEU, false},
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{"BLT", 0, 1, testBLT, testGoBLT, true},
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{"BLT", 0, 0, testBLT, testGoBLT, false},
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{"BLT", 0, -1, testBLT, testGoBLT, false},
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{"BLT", -1, 0, testBLT, testGoBLT, true},
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{"BLT", 1, 0, testBLT, testGoBLT, false},
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{"BLTU", 0, 1, testBLTU, testGoBLTU, true},
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{"BLTU", 0, 0, testBLTU, testGoBLTU, false},
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{"BLTU", 0, -1, testBLTU, testGoBLTU, true},
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{"BLTU", -1, 0, testBLTU, testGoBLTU, false},
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{"BLTU", 1, 0, testBLTU, testGoBLTU, false},
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}
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for _, test := range tests {
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t.Run(test.ins, func(t *testing.T) {
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var fn func(a, b int64) bool
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switch test.ins {
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case "BGE":
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fn = func(a, b int64) bool { return a >= b }
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case "BGEU":
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fn = func(a, b int64) bool { return uint64(a) >= uint64(b) }
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case "BGT":
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fn = func(a, b int64) bool { return a > b }
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case "BGTU":
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fn = func(a, b int64) bool { return uint64(a) > uint64(b) }
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case "BLE":
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fn = func(a, b int64) bool { return a <= b }
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case "BLEU":
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fn = func(a, b int64) bool { return uint64(a) <= uint64(b) }
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case "BLT":
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fn = func(a, b int64) bool { return a < b }
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case "BLTU":
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fn = func(a, b int64) bool { return uint64(a) < uint64(b) }
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default:
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t.Fatalf("Unknown instruction %q", test.ins)
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}
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if got := fn(test.a, test.b); got != test.want {
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t.Errorf("Go %v %v, %v = %v, want %v", test.ins, test.a, test.b, got, test.want)
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}
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if got := test.fn(test.a, test.b); got != test.want {
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t.Errorf("Assembly %v %v, %v = %v, want %v", test.ins, test.a, test.b, got, test.want)
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}
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if got := test.goFn(test.a, test.b); got != test.want {
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t.Errorf("Go %v %v, %v = %v, want %v", test.ins, test.a, test.b, got, test.want)
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}
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})
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}
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}
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@ -7,7 +7,7 @@
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#include "textflag.h"
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// func testBEQZ(a int64) (r bool)
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TEXT ·testBEQZ(SB),NOSPLIT,$0-0
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TEXT ·testBEQZ(SB),NOSPLIT,$0-9
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MOV a+0(FP), X5
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MOV $1, X6
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BEQZ X5, b
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@ -17,7 +17,7 @@ b:
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RET
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// func testBGE(a, b int64) (r bool)
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TEXT ·testBGE(SB),NOSPLIT,$0-0
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TEXT ·testBGE(SB),NOSPLIT,$0-17
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MOV a+0(FP), X5
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MOV b+8(FP), X6
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MOV $1, X7
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@ -28,7 +28,7 @@ b:
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RET
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// func testBGEU(a, b int64) (r bool)
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TEXT ·testBGEU(SB),NOSPLIT,$0-0
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TEXT ·testBGEU(SB),NOSPLIT,$0-17
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MOV a+0(FP), X5
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MOV b+8(FP), X6
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MOV $1, X7
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@ -39,7 +39,7 @@ b:
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RET
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// func testBGEZ(a int64) (r bool)
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TEXT ·testBGEZ(SB),NOSPLIT,$0-0
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TEXT ·testBGEZ(SB),NOSPLIT,$0-9
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MOV a+0(FP), X5
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MOV $1, X6
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BGEZ X5, b
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@ -49,7 +49,7 @@ b:
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RET
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// func testBGT(a, b int64) (r bool)
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TEXT ·testBGT(SB),NOSPLIT,$0-0
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TEXT ·testBGT(SB),NOSPLIT,$0-17
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MOV a+0(FP), X5
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MOV b+8(FP), X6
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MOV $1, X7
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@ -60,7 +60,7 @@ b:
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RET
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// func testBGTU(a, b int64) (r bool)
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TEXT ·testBGTU(SB),NOSPLIT,$0-0
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TEXT ·testBGTU(SB),NOSPLIT,$0-17
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MOV a+0(FP), X5
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MOV b+8(FP), X6
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MOV $1, X7
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@ -71,7 +71,7 @@ b:
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RET
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// func testBGTZ(a int64) (r bool)
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TEXT ·testBGTZ(SB),NOSPLIT,$0-0
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TEXT ·testBGTZ(SB),NOSPLIT,$0-9
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MOV a+0(FP), X5
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MOV $1, X6
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BGTZ X5, b
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@ -81,7 +81,7 @@ b:
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RET
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// func testBLE(a, b int64) (r bool)
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TEXT ·testBLE(SB),NOSPLIT,$0-0
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TEXT ·testBLE(SB),NOSPLIT,$0-17
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MOV a+0(FP), X5
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MOV b+8(FP), X6
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MOV $1, X7
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@ -92,7 +92,7 @@ b:
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RET
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// func testBLEU(a, b int64) (r bool)
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TEXT ·testBLEU(SB),NOSPLIT,$0-0
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TEXT ·testBLEU(SB),NOSPLIT,$0-17
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MOV a+0(FP), X5
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MOV b+8(FP), X6
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MOV $1, X7
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@ -103,7 +103,7 @@ b:
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RET
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// func testBLEZ(a int64) (r bool)
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TEXT ·testBLEZ(SB),NOSPLIT,$0-0
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TEXT ·testBLEZ(SB),NOSPLIT,$0-9
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MOV a+0(FP), X5
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MOV $1, X6
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BLEZ X5, b
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@ -113,7 +113,7 @@ b:
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RET
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// func testBLT(a, b int64) (r bool)
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TEXT ·testBLT(SB),NOSPLIT,$0-0
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TEXT ·testBLT(SB),NOSPLIT,$0-17
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MOV a+0(FP), X5
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MOV b+8(FP), X6
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MOV $1, X7
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@ -124,7 +124,7 @@ b:
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RET
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// func testBLTU(a, b int64) (r bool)
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TEXT ·testBLTU(SB),NOSPLIT,$0-0
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TEXT ·testBLTU(SB),NOSPLIT,$0-17
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MOV a+0(FP), X5
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MOV b+8(FP), X6
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MOV $1, X7
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@ -135,7 +135,7 @@ b:
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RET
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// func testBLTZ(a int64) (r bool)
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TEXT ·testBLTZ(SB),NOSPLIT,$0-0
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TEXT ·testBLTZ(SB),NOSPLIT,$0-9
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MOV a+0(FP), X5
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MOV $1, X6
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BLTZ X5, b
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@ -145,7 +145,7 @@ b:
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RET
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// func testBNEZ(a int64) (r bool)
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TEXT ·testBNEZ(SB),NOSPLIT,$0-0
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TEXT ·testBNEZ(SB),NOSPLIT,$0-9
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MOV a+0(FP), X5
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MOV $1, X6
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BNEZ X5, b
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