On 11/06/14 11:19, Charles Baylis wrote:
> 2014-05-22 Charles Baylis <charles.bay...@linaro.org>
>
> * config/arm/bpabi.S (__aeabi_ldivmod): Optimise stack manipulation.
OK.
R.
> ---
> libgcc/config/arm/bpabi.S | 14 +++-----------
> 1 file changed, 3 insertions(+), 11 deletions(-)
>
> diff --git a/libgcc/config/arm/bpabi.S b/libgcc/config/arm/bpabi.S
> index 927e37f..3f9ece5 100644
> --- a/libgcc/config/arm/bpabi.S
> +++ b/libgcc/config/arm/bpabi.S
> @@ -174,18 +174,10 @@ ARM_FUNC_START aeabi_ldivmod
> cfi_start __aeabi_ldivmod, LSYM(Lend_aeabi_ldivmod)
> test_div_by_zero signed
>
> - sub sp, sp, #8
> -#if defined(__thumb2__)
> - mov ip, sp
> - push {ip, lr}
> -#else
> - do_push {sp, lr}
> -#endif
> -98: cfi_push 98b - __aeabi_ldivmod, 0xe, -0xc, 0x10
> + push_for_divide __aeabi_ldivmod
> + /* arguments in (r0:r1), (r2:r3) and *sp */
> bl SYM(__gnu_ldivmod_helper) __PLT__
> - ldr lr, [sp, #4]
> - add sp, sp, #8
> - do_pop {r2, r3}
> + pop_for_divide
> RET
> cfi_end LSYM(Lend_aeabi_ldivmod)
>
>
