diff options
Diffstat (limited to 'ports/sysdeps/arm/addmul_1.S')
| -rw-r--r-- | ports/sysdeps/arm/addmul_1.S | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/ports/sysdeps/arm/addmul_1.S b/ports/sysdeps/arm/addmul_1.S index 09153d2bf2..d204c887e3 100644 --- a/ports/sysdeps/arm/addmul_1.S +++ b/ports/sysdeps/arm/addmul_1.S @@ -37,16 +37,21 @@ ENTRY (__mpn_addmul_1) cfi_rel_offset (r6, 8) cfi_rel_offset (r7, 12) - ldr r6, [r1], #4 - ldr r5, [r0] + sfi_breg r1, \ + ldr r6, [\B], #4 + sfi_breg r0, \ + ldr r5, [\B] mov r4, #0 /* init carry in */ b 1f 0: - ldr r6, [r1], #4 /* load next ul */ + sfi_breg r1, \ + ldr r6, [\B], #4 /* load next ul */ adds r7, r4, r5 /* (out, c) = cl + lpl */ - ldr r5, [r0, #4] /* load next rl */ + sfi_breg r0, \ + ldr r5, [\B, #4] /* load next rl */ adc r4, ip, #0 /* cl = hpl + c */ - str r7, [r0], #4 + sfi_breg r0, \ + str r7, [\B], #4 1: mov ip, #0 /* zero-extend rl */ umlal r5, ip, r6, r3 /* (hpl, lpl) = ul * vl + rl */ @@ -54,7 +59,8 @@ ENTRY (__mpn_addmul_1) bne 0b adds r4, r4, r5 /* (out, c) = cl + llpl */ - str r4, [r0] + sfi_breg r0, \ + str r4, [\B] adc r0, ip, #0 /* return hpl + c */ pop { r4, r5, r6, r7 } |