diff options
| author | Charles Baylis <charles.baylis@linaro.org> | 2014-06-18 15:42:21 +0000 |
|---|---|---|
| committer | Charles Baylis <cbaylis@gcc.gnu.org> | 2014-06-18 15:42:21 +0000 |
| commit | f493def153699c9bc2c90c1d636cbef490f5b70f (patch) | |
| tree | d1d9de0802bfab0be2acaf40420026c4cc434b55 | |
| parent | 0b227df4e508a7767a3d3e16e43642f9c7c50d94 (diff) | |
| download | gcc-f493def153699c9bc2c90c1d636cbef490f5b70f.zip gcc-f493def153699c9bc2c90c1d636cbef490f5b70f.tar.gz gcc-f493def153699c9bc2c90c1d636cbef490f5b70f.tar.bz2 | |
bpabi.S (__aeabi_ldivmod): Optimise stack manipulation.
2014-06-18 Charles Baylis <charles.baylis@linaro.org>
* config/arm/bpabi.S (__aeabi_ldivmod): Optimise stack manipulation.
From-SVN: r211793
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | libgcc/config/arm/bpabi.S | 14 |
2 files changed, 7 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2083ffa..fec83a5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2014-06-18 Charles Baylis <charles.baylis@linaro.org> + * config/arm/bpabi.S (__aeabi_ldivmod): Optimise stack manipulation. + +2014-06-18 Charles Baylis <charles.baylis@linaro.org> + * config/arm/bpabi.S (__aeabi_uldivmod): Perform division using call to __udivmoddi4. 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) |