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internal/sm2ec: loong64 fix p256PointAddAffineAsm

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Sun Yimin 2025-10-16 08:32:39 +08:00 committed by GitHub
parent 4ed546fd02
commit 9e649adbde
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GPG Key ID: B5690EEEBB952194
1 changed files with 18 additions and 21 deletions
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39
internal/sm2ec/p256_asm_loong64.s
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@ -1328,11 +1328,10 @@ loop_select:
OR acc2, x2, x2
OR acc3, x3, x3
ADDVU $32, y_ptr, y_ptr
MOVV (8*0)(y_ptr), acc0
MOVV (8*1)(y_ptr), acc1
MOVV (8*2)(y_ptr), acc2
MOVV (8*3)(y_ptr), acc3
MOVV (8*4)(y_ptr), acc0
MOVV (8*5)(y_ptr), acc1
MOVV (8*6)(y_ptr), acc2
MOVV (8*7)(y_ptr), acc3
MASKNEZ hlp0, acc0, acc0
MASKNEZ hlp0, acc1, acc1
MASKNEZ hlp0, acc2, acc2
@ -1342,11 +1341,10 @@ loop_select:
OR acc2, y2, y2
OR acc3, y3, y3
ADDVU $32, y_ptr, y_ptr
MOVV (8*0)(y_ptr), acc0
MOVV (8*1)(y_ptr), acc1
MOVV (8*2)(y_ptr), acc2
MOVV (8*3)(y_ptr), acc3
MOVV (8*8)(y_ptr), acc0
MOVV (8*9)(y_ptr), acc1
MOVV (8*10)(y_ptr), acc2
MOVV (8*11)(y_ptr), acc3
MASKNEZ hlp0, acc0, acc0
MASKNEZ hlp0, acc1, acc1
MASKNEZ hlp0, acc2, acc2
@ -1355,7 +1353,7 @@ loop_select:
OR acc1, t1, t1
OR acc2, t2, t2
OR acc3, t3, t3
ADDVU $32, y_ptr, y_ptr
ADDVU $96, y_ptr, y_ptr
BNE const1, x_ptr, loop_select
@ -1410,11 +1408,10 @@ loop_select:
OR acc2, x2, x2
OR acc3, x3, x3
ADDVU $32, t1, t1
MOVV (8*0)(t1), acc0
MOVV (8*1)(t1), acc1
MOVV (8*2)(t1), acc2
MOVV (8*3)(t1), acc3
MOVV (8*4)(t1), acc0
MOVV (8*5)(t1), acc1
MOVV (8*6)(t1), acc2
MOVV (8*7)(t1), acc3
MASKNEZ hlp0, acc0, acc0
MASKNEZ hlp0, acc1, acc1
MASKNEZ hlp0, acc2, acc2
@ -1423,7 +1420,7 @@ loop_select:
OR acc1, y1, y1
OR acc2, y2, y2
OR acc3, y3, y3
ADDVU $32, t1, t1
ADDVU $64, t1, t1
BNE t2, const0, loop_select
MOVV x0, (8*0)(res_ptr)
@ -1557,10 +1554,10 @@ TEXT ·p256PointAddAffineAsm(SB),0,$264-48
ADDV $1, const0, const1
// Negate y2in based on sign
MOVV (8*0)(b_ptr), y0
MOVV (8*1)(b_ptr), y1
MOVV (8*2)(b_ptr), y2
MOVV (8*3)(b_ptr), y3
MOVV (8*4)(b_ptr), y0
MOVV (8*5)(b_ptr), y1
MOVV (8*6)(b_ptr), y2
MOVV (8*7)(b_ptr), y3
// (acc0, acc1, acc2, acc3) = - (y3, y2, y1, y0)
SGTU y0, ZERO, t3
SUBV y0, ZERO, acc0