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LoongArch: Simplify "BLT foo, zero" with BLTZ 

Support for the syntactic sugar is present in upstream binutils port
from the beginning. Use it for shorter lines and better consistency.
Generated code should be identical.

Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
WANG Xuerui 2022-07-26 23:57:20 +08:00 committed by Huacai Chen
parent d47b2dc87c
commit d1bc75d759
2 changed files with 7 additions and 7 deletions
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8
arch/loongarch/include/asm/atomic.h
View File

@ -158,7 +158,7 @@ static inline int arch_atomic_sub_if_positive(int i, atomic_t *v)
"1: ll.w %1, %2 # atomic_sub_if_positive\n"
" addi.w %0, %1, %3 \n"
" move %1, %0 \n"
" blt %0, $zero, 2f \n"
" bltz %0, 2f \n"
" sc.w %1, %2 \n"
" beqz %1, 1b \n"
"2: \n"
@ -171,7 +171,7 @@ static inline int arch_atomic_sub_if_positive(int i, atomic_t *v)
"1: ll.w %1, %2 # atomic_sub_if_positive\n"
" sub.w %0, %1, %3 \n"
" move %1, %0 \n"
" blt %0, $zero, 2f \n"
" bltz %0, 2f \n"
" sc.w %1, %2 \n"
" beqz %1, 1b \n"
"2: \n"
@ -321,7 +321,7 @@ static inline long arch_atomic64_sub_if_positive(long i, atomic64_t *v)
"1: ll.d %1, %2 # atomic64_sub_if_positive \n"
" addi.d %0, %1, %3 \n"
" move %1, %0 \n"
" blt %0, $zero, 2f \n"
" bltz %0, 2f \n"
" sc.d %1, %2 \n"
" beqz %1, 1b \n"
"2: \n"
@ -334,7 +334,7 @@ static inline long arch_atomic64_sub_if_positive(long i, atomic64_t *v)
"1: ll.d %1, %2 # atomic64_sub_if_positive \n"
" sub.d %0, %1, %3 \n"
" move %1, %0 \n"
" blt %0, $zero, 2f \n"
" bltz %0, 2f \n"
" sc.d %1, %2 \n"
" beqz %1, 1b \n"
"2: \n"

6
arch/loongarch/mm/tlbex.S
View File

@ -47,7 +47,7 @@ SYM_FUNC_START(handle_tlb_load)
* The vmalloc handling is not in the hotpath.
*/
csrrd t0, LOONGARCH_CSR_BADV
blt t0, zero, vmalloc_load
bltz t0, vmalloc_load
csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_load:
@ -210,7 +210,7 @@ SYM_FUNC_START(handle_tlb_store)
* The vmalloc handling is not in the hotpath.
*/
csrrd t0, LOONGARCH_CSR_BADV
blt t0, zero, vmalloc_store
bltz t0, vmalloc_store
csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_store:
@ -378,7 +378,7 @@ SYM_FUNC_START(handle_tlb_modify)
* The vmalloc handling is not in the hotpath.
*/
csrrd t0, LOONGARCH_CSR_BADV
blt t0, zero, vmalloc_modify
bltz t0, vmalloc_modify
csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_modify: