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cmd/asm: add MRC and MCR to end-to-end test for arm

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The old, per-architecture operand printers didn't lock down the
format of the constant in the MRC and MCR instructions (a value
that could be presented more helpfully - maybe how the
input looks? - but that is an issue for another day). But there is
a portable standard printer now so we can enable tests for these
instructions.

Change-Id: I437a3b112ce63f4d6e1fe3450fc21d8c3372602f
Reviewed-on: https://go-review.googlesource.com/7420
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Rob Pike 2015-03-11 11:31:49 -07:00
parent 214fbd4aff
commit 6d0e87afe6
3 changed files with 11 additions and 9 deletions
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2
src/cmd/asm/internal/asm/endtoend_test.go
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@ -56,7 +56,7 @@ func testEndToEnd(t *testing.T, goarch string) {
r := strings.Split(result, "\n")
e := strings.Split(string(expect), "\n")
if len(r) != len(e) {
t.Errorf("%s: expected %d lines, got %d", len(e), len(r))
t.Errorf("%s: expected %d lines, got %d", goarch, len(e), len(r))
}
n := len(e)
if n > len(r) {

14
src/cmd/asm/internal/asm/testdata/arm.out vendored
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@ -45,9 +45,11 @@
201 00045 (testdata/arm.s:201) ADDD.S F1, F2, F3
202 00046 (testdata/arm.s:202) ADDD.S $(0.5), F2, F3
208 00047 (testdata/arm.s:208) CMPD.S F1, F2
242 00048 (testdata/arm.s:242) MULL R1, R2, (R3, R4)
254 00049 (testdata/arm.s:254) MULAWT R1, R2, R3, R4
262 00050 (testdata/arm.s:262) PLD (R1)
263 00051 (testdata/arm.s:263) PLD 4(R1)
272 00052 (testdata/arm.s:272) RET
281 00053 (testdata/arm.s:281) END
232 00048 (testdata/arm.s:232) MRC $8301712627
233 00049 (testdata/arm.s:233) MRC $8300664051
242 00050 (testdata/arm.s:242) MULL R1, R2, (R3, R4)
254 00051 (testdata/arm.s:254) MULAWT R1, R2, R3, R4
262 00052 (testdata/arm.s:262) PLD (R1)
263 00053 (testdata/arm.s:263) PLD 4(R1)
272 00054 (testdata/arm.s:272) RET
281 00055 (testdata/arm.s:281) END

4
src/cmd/asm/internal/asm/testdata/arm.s vendored
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@ -229,8 +229,8 @@ TEXT foo(SB), 0, $0
// (1<<4)); /* must be set */
// outcode(AMRC, Always, &nullgen, 0, &g);
// }
// TODO: Disabled until printout for this instruction is the same for 32 and 64 bits.
// MRC.S 4, 6, R1, C2, C3, 7
MRC.S 4, 6, R1, C2, C3, 7
MCR.S 4, 6, R1, C2, C3, 7
//
// MULL r1,r2,(hi,lo)