cmd/asm: fix and test CALL, JMP aliases on arm, arm64, ppc64

Fixes #11900.

Change-Id: Idfc54e1fac833c8d646266128efe46214a82dfed
Reviewed-on: https://go-review.googlesource.com/12741
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Reviewed-by: Rob Pike <r@golang.org>

src/cmd/asm/internal/arch/arm.go

@@ -79,6 +79,7 @@ var armJump = map[string]bool{
 	"BGT":  true,
 	"BLE":  true,
 	"CALL": true,
+	"JMP":  true,
 }
 
 func jumpArm(word string) bool {

src/cmd/asm/internal/arch/arm64.go

@@ -42,6 +42,7 @@ var arm64Jump = map[string]bool{
 	"CBZW":  true,
 	"CBNZ":  true,
 	"CBNZW": true,
+	"JMP":   true,
 }
 
 func jumpArm64(word string) bool {

src/cmd/asm/internal/arch/ppc64.go

@@ -12,7 +12,7 @@ import "cmd/internal/obj/ppc64"
 
 func jumpPPC64(word string) bool {
 	switch word {
-	case "BC", "BCL", "BEQ", "BGE", "BGT", "BL", "BLE", "BLT", "BNE", "BR", "BVC", "BVS", "CALL":
+	case "BC", "BCL", "BEQ", "BGE", "BGT", "BL", "BLE", "BLT", "BNE", "BR", "BVC", "BVS", "CALL", "JMP":
 		return true
 	}
 	return false

src/cmd/asm/internal/asm/testdata/arm.out

@@ -52,4 +52,8 @@
 266 00052 (testdata/arm.s:266)	PLD	(R1)
 267 00053 (testdata/arm.s:267)	PLD	4(R1)
 276 00054 (testdata/arm.s:276)	RET
-285 00055 (testdata/arm.s:285)	END
+280 00055 (testdata/arm.s:280)	JMP	foo(SB)
+281 00056 (testdata/arm.s:281)	CALL	foo(SB)
+282 00057 (testdata/arm.s:282)	JMP	foo(SB)
+283 00058 (testdata/arm.s:283)	CALL	foo(SB)
+292 00059 (testdata/arm.s:292)	END

src/cmd/asm/internal/asm/testdata/arm.s

@@ -275,6 +275,13 @@ TEXT	foo(SB), 0, $0
 //	}
 	RET
 
+// More B/BL cases, and canonical names JMP, CALL.
+
+	B	foo(SB)
+	BL	foo(SB)
+	JMP	foo(SB)
+	CALL	foo(SB)
+
 //
 // END
 //

src/cmd/asm/internal/asm/testdata/arm64.out

@@ -48,4 +48,8 @@
 242 00048 (testdata/arm64.s:242)	LDAXRW	(R0), R2
 243 00049 (testdata/arm64.s:243)	STLXRW	R1, (R0), R3
 251 00050 (testdata/arm64.s:251)	RET
-259 00051 (testdata/arm64.s:259)	END
+255 00051 (testdata/arm64.s:255)	JMP	foo(SB)
+256 00052 (testdata/arm64.s:256)	CALL	foo(SB)
+257 00053 (testdata/arm64.s:257)	JMP	foo(SB)
+258 00054 (testdata/arm64.s:258)	CALL	foo(SB)
+266 00055 (testdata/arm64.s:266)	END

src/cmd/asm/internal/asm/testdata/arm64.s

@@ -250,6 +250,13 @@ again:
 //	}
 	RET
 
+// More B/BL cases, and canonical names JMP, CALL.
+
+	B	foo(SB)
+	BL	foo(SB)
+	JMP	foo(SB)
+	CALL	foo(SB)
+
 // END
 //
 //	LTYPEE comma

src/cmd/asm/internal/asm/testdata/ppc64.out

@@ -107,4 +107,8 @@
 691 00107 (testdata/ppc64.s:691)	NOP	F2
 697 00108 (testdata/ppc64.s:697)	NOP	$4
 705 00109 (testdata/ppc64.s:705)	RET
-713 00110 (testdata/ppc64.s:713)	END
+709 00110 (testdata/ppc64.s:709)	JMP	foo(SB)
+710 00111 (testdata/ppc64.s:710)	CALL	foo(SB)
+711 00112 (testdata/ppc64.s:711)	JMP	foo(SB)
+712 00113 (testdata/ppc64.s:712)	CALL	foo(SB)
+720 00114 (testdata/ppc64.s:720)	END

src/cmd/asm/internal/asm/testdata/ppc64.s

@@ -704,6 +704,13 @@ label1:
 //	}
 	RET
 
+// More BR/BL cases, and canonical names JMP, CALL.
+
+	BR	foo(SB)
+	BL	foo(SB)
+	JMP	foo(SB)
+	CALL	foo(SB)
+
 // END
 //
 //	LEND	comma // asm doesn't support the trailing comma.

src/cmd/old5a/lex.go

@@ -249,7 +249,9 @@ var lexinit = []asm.Lextab{
 	{"DIVF", LTYPEK, arm.ADIVF},
 	{"DIVD", LTYPEK, arm.ADIVD},
 	{"B", LTYPE4, arm.AB},
+	{"JMP", LTYPE4, arm.AB},
 	{"BL", LTYPE4, arm.ABL},
+	{"CALL", LTYPE4, arm.ABL},
 	{"BX", LTYPEBX, arm.ABX},
 	{"BEQ", LTYPE5, arm.ABEQ},
 	{"BNE", LTYPE5, arm.ABNE},

src/cmd/old9a/lex.go

@@ -256,9 +256,11 @@ var lexinit = []asm.Lextab{
 	{"SRAW", LSHW, ppc64.ASRAW},
 	{"SRAWCC", LSHW, ppc64.ASRAWCC},
 	{"BR", LBRA, ppc64.ABR},
+	{"JMP", LBRA, ppc64.ABR},
 	{"BC", LBRA, ppc64.ABC},
 	{"BCL", LBRA, ppc64.ABC},
 	{"BL", LBRA, ppc64.ABL},
+	{"CALL", LBRA, ppc64.ABL},
 	{"BEQ", LBRA, ppc64.ABEQ},
 	{"BNE", LBRA, ppc64.ABNE},
 	{"BGT", LBRA, ppc64.ABGT},