diff options
Diffstat (limited to 'sysdeps/i960/addmul_1.s')
| -rw-r--r-- | sysdeps/i960/addmul_1.s | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sysdeps/i960/addmul_1.s b/sysdeps/i960/addmul_1.s new file mode 100644 index 0000000000..1a3de95e50 --- /dev/null +++ b/sysdeps/i960/addmul_1.s @@ -0,0 +1,26 @@ +.text + .align 4 + .globl ___mpn_mul_1 +___mpn_mul_1: + subo g2,0,g2 + shlo 2,g2,g4 + subo g4,g1,g1 + subo g4,g0,g13 + mov 0,g0 + + cmpo 1,0 # clear C bit on AC.cc + +Loop: ld (g1)[g2*4],g5 + emul g3,g5,g6 + ld (g13)[g2*4],g5 + + addc g0,g6,g6 # relies on that C bit is clear + addc 0,g7,g7 + addc g5,g6,g6 # relies on that C bit is clear + st g6,(g13)[g2*4] + addc 0,g7,g0 + + addo g2,1,g2 + cmpobne 0,g2,Loop # when branch is taken, clears C bit + + ret |