2014-05-22 Charles Baylis <charles.bay...@linaro.org>
* config/arm/bpabi.S (__aeabi_ldivmod): Optimise stack manipulation.
---
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)
--
1.9.1
