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fix(loong64): FP immediates through R30 and unsigned branch forms

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Assisted-by: GLM 5.3
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petrbalvin
2026-09-19 23:49:13 +02:00
parent 79a2c16bac
commit ebdf14939f
8 changed files with 168 additions and 28 deletions
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asm/loong64_encode_test.go
+4 -4
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@@ -319,11 +319,11 @@ TEXT ·f(SB), NOSPLIT, $0-0
`)
code = assembleLOONG64Helper(t, fn)
wantWords(t, code,
0x29FFE061, // addi.d r1, r2, -8 (prologue)
0x02FFE063, // addi.d r3, r3, -8
0x29C00061, // st.d r1, r2, 0 (prologue saves RA)
0x29FFE061, // st.d r1, -8(r3) (prologue saves RA below the new SP)
0x02FFE063, // addi.d r3, r3, -8 (prologue opens the frame)
0x29C00061, // st.d r1, 0(r3) (prologue saves RA at SP)
0x4C0000A1, // jirl r1, r5, 0
0x28C00061, // ld.d r1, r2, 0 (epilogue restores RA)
0x28C00061, // ld.d r1, 0(r3) (epilogue restores RA)
0x02C02063, // addi.d r3, r3, 8
0x4C000020, // jirl r0, r1, 0 (RET)
)