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cmd/internal/obj/riscv: clean up branch tests

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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 2021-01-16 03:09:15 +11:00
parent c4b771348c
commit 6525abddce
2 changed files with 67 additions and 78 deletions
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117
src/cmd/internal/obj/riscv/testdata/testbranch/branch_test.go vendored
View File

@ -25,84 +25,73 @@ func testBLTU(a, b int64) (r bool)
func testBLTZ(a int64) (r bool) func testBLTZ(a int64) (r bool)
func testBNEZ(a int64) (r bool) func testBNEZ(a int64) (r bool)
func testGoBGE(a, b int64) bool { return a >= b }
func testGoBGEU(a, b int64) bool { return uint64(a) >= uint64(b) }
func testGoBGT(a, b int64) bool { return a > b }
func testGoBGTU(a, b int64) bool { return uint64(a) > uint64(b) }
func testGoBLE(a, b int64) bool { return a <= b }
func testGoBLEU(a, b int64) bool { return uint64(a) <= uint64(b) }
func testGoBLT(a, b int64) bool { return a < b }
func testGoBLTZ(a, b int64) bool { return uint64(a) < uint64(b) }
func TestBranchCondition(t *testing.T) { func TestBranchCondition(t *testing.T) {
tests := []struct { tests := []struct {
ins string ins string
a int64 a int64
b int64 b int64
fn func(a, b int64) bool fn func(a, b int64) bool
goFn func(a, b int64) bool
want bool want bool
}{ }{
{"BGE", 0, 1, testBGE, false}, {"BGE", 0, 1, testBGE, testGoBGE, false},
{"BGE", 0, 0, testBGE, true}, {"BGE", 0, 0, testBGE, testGoBGE, true},
{"BGE", 0, -1, testBGE, true}, {"BGE", 0, -1, testBGE, testGoBGE, true},
{"BGE", -1, 0, testBGE, false}, {"BGE", -1, 0, testBGE, testGoBGE, false},
{"BGE", 1, 0, testBGE, true}, {"BGE", 1, 0, testBGE, testGoBGE, true},
{"BGEU", 0, 1, testBGEU, false}, {"BGEU", 0, 1, testBGEU, testGoBGEU, false},
{"BGEU", 0, 0, testBGEU, true}, {"BGEU", 0, 0, testBGEU, testGoBGEU, true},
{"BGEU", 0, -1, testBGEU, false}, {"BGEU", 0, -1, testBGEU, testGoBGEU, false},
{"BGEU", -1, 0, testBGEU, true}, {"BGEU", -1, 0, testBGEU, testGoBGEU, true},
{"BGEU", 1, 0, testBGEU, true}, {"BGEU", 1, 0, testBGEU, testGoBGEU, true},
{"BGT", 0, 1, testBGT, false}, {"BGT", 0, 1, testBGT, testGoBGT, false},
{"BGT", 0, 0, testBGT, false}, {"BGT", 0, 0, testBGT, testGoBGT, false},
{"BGT", 0, -1, testBGT, true}, {"BGT", 0, -1, testBGT, testGoBGT, true},
{"BGT", -1, 0, testBGT, false}, {"BGT", -1, 0, testBGT, testGoBGT, false},
{"BGT", 1, 0, testBGT, true}, {"BGT", 1, 0, testBGT, testGoBGT, true},
{"BGTU", 0, 1, testBGTU, false}, {"BGTU", 0, 1, testBGTU, testGoBGTU, false},
{"BGTU", 0, 0, testBGTU, false}, {"BGTU", 0, 0, testBGTU, testGoBGTU, false},
{"BGTU", 0, -1, testBGTU, false}, {"BGTU", 0, -1, testBGTU, testGoBGTU, false},
{"BGTU", -1, 0, testBGTU, true}, {"BGTU", -1, 0, testBGTU, testGoBGTU, true},
{"BGTU", 1, 0, testBGTU, true}, {"BGTU", 1, 0, testBGTU, testGoBGTU, true},
{"BLE", 0, 1, testBLE, true}, {"BLE", 0, 1, testBLE, testGoBLE, true},
{"BLE", 0, 0, testBLE, true}, {"BLE", 0, 0, testBLE, testGoBLE, true},
{"BLE", 0, -1, testBLE, false}, {"BLE", 0, -1, testBLE, testGoBLE, false},
{"BLE", -1, 0, testBLE, true}, {"BLE", -1, 0, testBLE, testGoBLE, true},
{"BLE", 1, 0, testBLE, false}, {"BLE", 1, 0, testBLE, testGoBLE, false},
{"BLEU", 0, 1, testBLEU, true}, {"BLEU", 0, 1, testBLEU, testGoBLEU, true},
{"BLEU", 0, 0, testBLEU, true}, {"BLEU", 0, 0, testBLEU, testGoBLEU, true},
{"BLEU", 0, -1, testBLEU, true}, {"BLEU", 0, -1, testBLEU, testGoBLEU, true},
{"BLEU", -1, 0, testBLEU, false}, {"BLEU", -1, 0, testBLEU, testGoBLEU, false},
{"BLEU", 1, 0, testBLEU, false}, {"BLEU", 1, 0, testBLEU, testGoBLEU, false},
{"BLT", 0, 1, testBLT, true}, {"BLT", 0, 1, testBLT, testGoBLT, true},
{"BLT", 0, 0, testBLT, false}, {"BLT", 0, 0, testBLT, testGoBLT, false},
{"BLT", 0, -1, testBLT, false}, {"BLT", 0, -1, testBLT, testGoBLT, false},
{"BLT", -1, 0, testBLT, true}, {"BLT", -1, 0, testBLT, testGoBLT, true},
{"BLT", 1, 0, testBLT, false}, {"BLT", 1, 0, testBLT, testGoBLT, false},
{"BLTU", 0, 1, testBLTU, true}, {"BLTU", 0, 1, testBLTU, testGoBLTU, true},
{"BLTU", 0, 0, testBLTU, false}, {"BLTU", 0, 0, testBLTU, testGoBLTU, false},
{"BLTU", 0, -1, testBLTU, true}, {"BLTU", 0, -1, testBLTU, testGoBLTU, true},
{"BLTU", -1, 0, testBLTU, false}, {"BLTU", -1, 0, testBLTU, testGoBLTU, false},
{"BLTU", 1, 0, testBLTU, false}, {"BLTU", 1, 0, testBLTU, testGoBLTU, false},
} }
for _, test := range tests { for _, test := range tests {
t.Run(test.ins, func(t *testing.T) { t.Run(test.ins, func(t *testing.T) {
var fn func(a, b int64) bool
switch test.ins {
case "BGE":
fn = func(a, b int64) bool { return a >= b }
case "BGEU":
fn = func(a, b int64) bool { return uint64(a) >= uint64(b) }
case "BGT":
fn = func(a, b int64) bool { return a > b }
case "BGTU":
fn = func(a, b int64) bool { return uint64(a) > uint64(b) }
case "BLE":
fn = func(a, b int64) bool { return a <= b }
case "BLEU":
fn = func(a, b int64) bool { return uint64(a) <= uint64(b) }
case "BLT":
fn = func(a, b int64) bool { return a < b }
case "BLTU":
fn = func(a, b int64) bool { return uint64(a) < uint64(b) }
default:
t.Fatalf("Unknown instruction %q", test.ins)
}
if got := fn(test.a, test.b); got != test.want {
t.Errorf("Go %v %v, %v = %v, want %v", test.ins, test.a, test.b, got, test.want)
}
if got := test.fn(test.a, test.b); got != test.want { if got := test.fn(test.a, test.b); got != test.want {
t.Errorf("Assembly %v %v, %v = %v, want %v", test.ins, test.a, test.b, got, test.want) t.Errorf("Assembly %v %v, %v = %v, want %v", test.ins, test.a, test.b, got, test.want)
} }
if got := test.goFn(test.a, test.b); got != test.want {
t.Errorf("Go %v %v, %v = %v, want %v", test.ins, test.a, test.b, got, test.want)
}
}) })
} }
} }

28
src/cmd/internal/obj/riscv/testdata/testbranch/branch_test.s vendored
View File

@ -7,7 +7,7 @@
#include "textflag.h" #include "textflag.h"
// func testBEQZ(a int64) (r bool) // func testBEQZ(a int64) (r bool)
TEXT ·testBEQZ(SB),NOSPLIT,$0-0 TEXT ·testBEQZ(SB),NOSPLIT,$0-9
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV $1, X6 MOV $1, X6
BEQZ X5, b BEQZ X5, b
@ -17,7 +17,7 @@ b:
RET RET
// func testBGE(a, b int64) (r bool) // func testBGE(a, b int64) (r bool)
TEXT ·testBGE(SB),NOSPLIT,$0-0 TEXT ·testBGE(SB),NOSPLIT,$0-17
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV b+8(FP), X6 MOV b+8(FP), X6
MOV $1, X7 MOV $1, X7
@ -28,7 +28,7 @@ b:
RET RET
// func testBGEU(a, b int64) (r bool) // func testBGEU(a, b int64) (r bool)
TEXT ·testBGEU(SB),NOSPLIT,$0-0 TEXT ·testBGEU(SB),NOSPLIT,$0-17
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV b+8(FP), X6 MOV b+8(FP), X6
MOV $1, X7 MOV $1, X7
@ -39,7 +39,7 @@ b:
RET RET
// func testBGEZ(a int64) (r bool) // func testBGEZ(a int64) (r bool)
TEXT ·testBGEZ(SB),NOSPLIT,$0-0 TEXT ·testBGEZ(SB),NOSPLIT,$0-9
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV $1, X6 MOV $1, X6
BGEZ X5, b BGEZ X5, b
@ -49,7 +49,7 @@ b:
RET RET
// func testBGT(a, b int64) (r bool) // func testBGT(a, b int64) (r bool)
TEXT ·testBGT(SB),NOSPLIT,$0-0 TEXT ·testBGT(SB),NOSPLIT,$0-17
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV b+8(FP), X6 MOV b+8(FP), X6
MOV $1, X7 MOV $1, X7
@ -60,7 +60,7 @@ b:
RET RET
// func testBGTU(a, b int64) (r bool) // func testBGTU(a, b int64) (r bool)
TEXT ·testBGTU(SB),NOSPLIT,$0-0 TEXT ·testBGTU(SB),NOSPLIT,$0-17
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV b+8(FP), X6 MOV b+8(FP), X6
MOV $1, X7 MOV $1, X7
@ -71,7 +71,7 @@ b:
RET RET
// func testBGTZ(a int64) (r bool) // func testBGTZ(a int64) (r bool)
TEXT ·testBGTZ(SB),NOSPLIT,$0-0 TEXT ·testBGTZ(SB),NOSPLIT,$0-9
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV $1, X6 MOV $1, X6
BGTZ X5, b BGTZ X5, b
@ -81,7 +81,7 @@ b:
RET RET
// func testBLE(a, b int64) (r bool) // func testBLE(a, b int64) (r bool)
TEXT ·testBLE(SB),NOSPLIT,$0-0 TEXT ·testBLE(SB),NOSPLIT,$0-17
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV b+8(FP), X6 MOV b+8(FP), X6
MOV $1, X7 MOV $1, X7
@ -92,7 +92,7 @@ b:
RET RET
// func testBLEU(a, b int64) (r bool) // func testBLEU(a, b int64) (r bool)
TEXT ·testBLEU(SB),NOSPLIT,$0-0 TEXT ·testBLEU(SB),NOSPLIT,$0-17
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV b+8(FP), X6 MOV b+8(FP), X6
MOV $1, X7 MOV $1, X7
@ -103,7 +103,7 @@ b:
RET RET
// func testBLEZ(a int64) (r bool) // func testBLEZ(a int64) (r bool)
TEXT ·testBLEZ(SB),NOSPLIT,$0-0 TEXT ·testBLEZ(SB),NOSPLIT,$0-9
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV $1, X6 MOV $1, X6
BLEZ X5, b BLEZ X5, b
@ -113,7 +113,7 @@ b:
RET RET
// func testBLT(a, b int64) (r bool) // func testBLT(a, b int64) (r bool)
TEXT ·testBLT(SB),NOSPLIT,$0-0 TEXT ·testBLT(SB),NOSPLIT,$0-17
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV b+8(FP), X6 MOV b+8(FP), X6
MOV $1, X7 MOV $1, X7
@ -124,7 +124,7 @@ b:
RET RET
// func testBLTU(a, b int64) (r bool) // func testBLTU(a, b int64) (r bool)
TEXT ·testBLTU(SB),NOSPLIT,$0-0 TEXT ·testBLTU(SB),NOSPLIT,$0-17
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV b+8(FP), X6 MOV b+8(FP), X6
MOV $1, X7 MOV $1, X7
@ -135,7 +135,7 @@ b:
RET RET
// func testBLTZ(a int64) (r bool) // func testBLTZ(a int64) (r bool)
TEXT ·testBLTZ(SB),NOSPLIT,$0-0 TEXT ·testBLTZ(SB),NOSPLIT,$0-9
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV $1, X6 MOV $1, X6
BLTZ X5, b BLTZ X5, b
@ -145,7 +145,7 @@ b:
RET RET
// func testBNEZ(a int64) (r bool) // func testBNEZ(a int64) (r bool)
TEXT ·testBNEZ(SB),NOSPLIT,$0-0 TEXT ·testBNEZ(SB),NOSPLIT,$0-9
MOV a+0(FP), X5 MOV a+0(FP), X5
MOV $1, X6 MOV $1, X6
BNEZ X5, b BNEZ X5, b