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internal/sm2e: loong64 fix sm2P256SqrInternal

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Sun Yimin 2025-10-14 09:40:48 +08:00 committed by GitHub
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commit 0c0b54ec7b
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1 changed files with 7 additions and 5 deletions
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internal/sm2ec/p256_asm_loong64.s
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@ -394,6 +394,7 @@ TEXT sm2P256SqrInternal<>(SB),NOSPLIT,$0
SGTU t1, acc4, t3
ADDV t2, acc4, acc4
SGTU t2, acc4, t4
// ADC $0, acc5
OR t3, t4, acc5
MULV x1, x3, t0
@ -402,16 +403,17 @@ TEXT sm2P256SqrInternal<>(SB),NOSPLIT,$0
SGTU t0, acc4, t2
MULHVU x1, x3, t1
// ADC t1, acc5
ADDV t1, acc5, acc5 // no carry
ADDV t1, t2, t2 // no carry
ADDV t2, acc5, acc5 // no carry
// x[3] * x[2]
MULV x2, x3, t0
// ADDS t0, acc5
ADDV t0, acc5, acc5
SGTU t0, acc5, t2
MULHVU x2, x3, t1
// ADC t1, acc6
ADDV t1, t2, acc6 // no carry
SGTU t0, acc5, t1
MULHVU x2, x3, acc6
// ADC $0, acc6
ADDV t1, acc6, acc6 // no carry
// *2
// ALSLV is NOT supported in go 1.25