diff options
Diffstat (limited to 'runtime/arm/int64.s')
| -rw-r--r-- | runtime/arm/int64.s | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/runtime/arm/int64.s b/runtime/arm/int64.s index 6b03351..58ac024 100644 --- a/runtime/arm/int64.s +++ b/runtime/arm/int64.s @@ -77,36 +77,6 @@ __i64_scmp: .type __i64_scmp, %function .size __i64_scmp, . - __i64_scmp -@@@ Opposite - - .global __i64_neg -__i64_neg: - rsbs r0, r0, #0 - rsc r1, r1, #0 - bx lr - .type __i64_neg, %function - .size __i64_neg, . - __i64_neg - -@@@ Addition - - .global __i64_add -__i64_add: - adds r0, r0, r2 - adc r1, r1, r3 - bx lr - .type __i64_add, %function - .size __i64_add, . - __i64_add - -@@@ Subtraction - - .global __i64_sub -__i64_sub: - subs r0, r0, r2 - sbc r1, r1, r3 - bx lr - .type __i64_sub, %function - .size __i64_sub, . - __i64_sub - @ Note on ARM shifts: the shift amount is taken modulo 256. @ Therefore, unsigned shifts by 32 bits or more produce 0. @@ -167,21 +137,6 @@ __i64_sar: .type __i64_sar, %function .size __i64_sar, . - __i64_sar -@@@ Multiplication - - .global __i64_mul -__i64_mul: - push {r4, r5} - mov r4, r0 @ save first arg in r4,r5 - mov r5, r1 - umull r0, r1, r2, r4 @ 64-bit product of low halves - mla r1, r2, r5, r1 @ add 32-bit products low half * high half - mla r1, r3, r4, r1 @ to high half of result - pop {r4, r5} - bx lr - .type __i64_mul, %function - .size __i64_mul, . - __i64_mul - @@@ Auxiliary function for division and modulus. Not exported. @ On entry: N = (r0, r1) numerator D = (r2, r3) divisor |