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feat(arch): the FP8-to-halfword conversion pairs

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Assisted-by: GLM 5.3 Flash
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petrbalvin committed 2026-10-07 21:39:45 +02:00
1 parent 107ca512b2
commit 718181e7a7
4 files changed
+34 -2
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arch/arm64_ext.go
+12
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@@ -3785,6 +3785,18 @@ var arm64Extensions = []ExtInstr{
{Name: "ZBF2CVTLT", Summary: "Convert BFloat16 pairs from bytes to halfwords, top, no rounding",
Word: 0x65093c00, Form: ExtFormZUnpack, Arr: ExtArrH, Feature: ExtFeatureSVE2,
Ref: "ARM DDI 0487J SVE2: ZBF2CVTLT; inst_gen.go + arm64sveenc.s"},
{Name: "ZF1CVT", Summary: "Convert FP8 byte pairs to halfwords, bottom",
Word: 0x65083000, Form: ExtFormZUnpack, Arr: ExtArrH, Feature: ExtFeatureSVE2,
Ref: "ARM DDI 0487J SVE2: F1CVT; inst_gen.go + arm64sveenc.s"},
{Name: "ZF1CVTLT", Summary: "Convert FP8 byte pairs to halfwords, bottom, no rounding",
Word: 0x65093000, Form: ExtFormZUnpack, Arr: ExtArrH, Feature: ExtFeatureSVE2,
Ref: "ARM DDI 0487J SVE2: F1CVTLT; inst_gen.go + arm64sveenc.s"},
{Name: "ZF2CVT", Summary: "Convert FP8 byte pairs to halfwords, top",
Word: 0x65083400, Form: ExtFormZUnpack, Arr: ExtArrH, Feature: ExtFeatureSVE2,
Ref: "ARM DDI 0487J SVE2: F2CVT; inst_gen.go + arm64sveenc.s"},
{Name: "ZF2CVTLT", Summary: "Convert FP8 byte pairs to halfwords, top, no rounding",
Word: 0x65093400, Form: ExtFormZUnpack, Arr: ExtArrH, Feature: ExtFeatureSVE2,
Ref: "ARM DDI 0487J SVE2: F2CVTLT; inst_gen.go + arm64sveenc.s"},
{Name: "ZBFADD", Summary: "Add BFloat16 halfwords, merging",
Word: 0x65008000, Form: ExtFormZPredicatedSource, Arr: ExtArrH, PgQual: ExtQualMerging, Feature: ExtFeatureSVE2,
Ref: "ARM DDI 0487J SVE2: ZBFADD; inst_gen.go + arm64sveenc.s"},
arch/arm64_ext_test.go
+12
View File
@@ -1528,6 +1528,18 @@ func TestArm64ExtStage4Golden(t *testing.T) {
{"ZBF2CVTLT Z11.B, Z6.H", "ZBF2CVTLT", ExtFormZUnpack, ExtQualNone, ExtArrH,
[]ExtOperand{ExtVector(11, ExtArrB), ExtVector(6, ExtArrH)},
0x65093d66},
{"ZF1CVT Z11.B, Z6.H", "ZF1CVT", ExtFormZUnpack, ExtQualNone, ExtArrH,
[]ExtOperand{ExtVector(11, ExtArrB), ExtVector(6, ExtArrH)},
0x65083166},
{"ZF1CVTLT Z11.B, Z6.H", "ZF1CVTLT", ExtFormZUnpack, ExtQualNone, ExtArrH,
[]ExtOperand{ExtVector(11, ExtArrB), ExtVector(6, ExtArrH)},
0x65093166},
{"ZF2CVT Z11.B, Z6.H", "ZF2CVT", ExtFormZUnpack, ExtQualNone, ExtArrH,
[]ExtOperand{ExtVector(11, ExtArrB), ExtVector(6, ExtArrH)},
0x65083566},
{"ZF2CVTLT Z11.B, Z6.H", "ZF2CVTLT", ExtFormZUnpack, ExtQualNone, ExtArrH,
[]ExtOperand{ExtVector(11, ExtArrB), ExtVector(6, ExtArrH)},
0x65093566},
{"ZBFADD Z23.H, Z13.H, P1.M, Z13.H", "ZBFADD", ExtFormZPredicatedSource, ExtQualMerging, ExtArrH,
[]ExtOperand{ExtVector(23, ExtArrH), ExtVector(13, ExtArrH), ExtPredicate(1, ExtQualMerging), ExtVector(13, ExtArrH)},
0x650086ed},