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LoongArch: Simplify "BLT foo, zero" with BLTZ

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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: