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feat(arch): the SVE2.1 pairwise and quadword-reduction families

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Assisted-by: GLM 5.3 Flash
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petrbalvin committed 2026-10-07 20:35:41 +02:00
1 parent 31ab584eee
commit b93fccc075
5 files changed
+212 -22
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asm/arm64_ext_asm_test.go
+29 -2
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@@ -763,6 +763,26 @@ func TestArm64AssembleExtensionStage4Golden(t *testing.T) {
{"ZSUBHNT Z22.S, Z10.S, Z8.H", 0x45b67548},
{"ZADDHNB Z8.H, Z10.H, Z11.B", 0x4568614b},
{"ZSUBHNT Z26.D, Z4.D, Z13.S", 0x45fa748d},
// The pairwise and quadword-reduction classes: corpus lines plus a
// width extension each.
{"ZADDP Z15.B, Z0.B, P3.M, Z0.B", 0x4411ade0},
{"ZADDP Z9.S, Z2.S, P5.M, Z2.S", 0x4491b522},
{"ZADDPT Z23.D, Z13.D, P1.M, Z13.D", 0x04c406ed},
{"ZADDPT Z7.D, Z6.D, Z23.D", 0x04e708d7},
{"ZADDQV Z25.S, P3, V5.S4", 0x04852f25},
{"ZADDQV Z9.D, P1, V7.D2", 0x04c52527},
{"ZANDQV Z25.S, P3, V5.S4", 0x049e2f25},
{"ZEORQV Z25.S, P3, V5.S4", 0x049d2f25},
{"ZORQV Z25.S, P3, V5.S4", 0x049c2f25},
{"ZSMAXQV Z25.S, P3, V5.S4", 0x048c2f25},
{"ZSMINQV Z25.S, P3, V5.S4", 0x048e2f25},
{"ZUMAXQV Z25.S, P3, V5.S4", 0x048d2f25},
{"ZUMINQV Z25.S, P3, V5.S4", 0x048f2f25},
{"ZFADDQV Z25.S, P3, V5.S4", 0x6490af25},
{"ZFMAXNMQV Z25.S, P3, V5.S4", 0x6494af25},
{"ZFMAXQV Z25.S, P3, V5.S4", 0x6496af25},
{"ZFMINNMQV Z25.S, P3, V5.S4", 0x6495af25},
{"ZFMINQV Z25.S, P3, V5.S4", 0x6497af25},
}
for _, tt := range tests {
words := assembleArm64Words(t, arm64ExtProbeHead+"\t"+tt.stmt+"\n\tRET\n")
@@ -779,8 +799,9 @@ func TestArm64AssembleExtensionStage4Golden(t *testing.T) {
}
// TestArm64AssembleExtensionStage4Refusals pins the diagnostics the
// narrowing statements get from the layer: the arrangement pair the single
// size field over-determines.
// narrowing, pairwise and quadword-reduction statements get from the layer:
// the arrangement pair the single size field over-determines, the locked
// pairwise top arrangement and the accumulator's bare predicate.
func TestArm64AssembleExtensionStage4Refusals(t *testing.T) {
tests := []struct {
stmt string
@@ -792,6 +813,12 @@ func TestArm64AssembleExtensionStage4Refusals(t *testing.T) {
{"ZADDHNB Z22.D, Z10.D, Z8.H", "want .S"},
{"ZADDHNB Z22.Q, Z10.Q, Z8.D", "want .H, .S or .D"},
{"ZADDHNB Z22.S, Z10.S, Z8", "carries no arrangement suffix"},
{"ZADDP Z15.B, Z0.B, P3.Z, Z0.B", "merging qualifier"},
{"ZADDPT Z7.S, Z6.S, Z23.S", "want .D"},
{"ZADDQV Z25.S, P9, V5.S4", "outside P0-P7"},
{"ZADDQV Z25.S, P3/M, V5.S4", "takes no qualifier"},
{"ZADDQV Z25.S, P3, V5", "no quadword suffix"},
{"ZADDQV Z25.S, P3, V5.D2", "carries arrangement .D, want .S"},
}
for _, tt := range tests {
got := assembleArm64SrcError(t, arm64ExtProbeHead+"\t"+tt.stmt+"\n\tRET\n")