提交 d1bc75d7 编写于 作者: W WANG Xuerui 提交者: Huacai Chen

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: NWANG Xuerui <git@xen0n.name>
Signed-off-by: NHuacai Chen <chenhuacai@loongson.cn>
上级 d47b2dc8
...@@ -158,7 +158,7 @@ static inline int arch_atomic_sub_if_positive(int i, atomic_t *v) ...@@ -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" "1: ll.w %1, %2 # atomic_sub_if_positive\n"
" addi.w %0, %1, %3 \n" " addi.w %0, %1, %3 \n"
" move %1, %0 \n" " move %1, %0 \n"
" blt %0, $zero, 2f \n" " bltz %0, 2f \n"
" sc.w %1, %2 \n" " sc.w %1, %2 \n"
" beqz %1, 1b \n" " beqz %1, 1b \n"
"2: \n" "2: \n"
...@@ -171,7 +171,7 @@ static inline int arch_atomic_sub_if_positive(int i, atomic_t *v) ...@@ -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" "1: ll.w %1, %2 # atomic_sub_if_positive\n"
" sub.w %0, %1, %3 \n" " sub.w %0, %1, %3 \n"
" move %1, %0 \n" " move %1, %0 \n"
" blt %0, $zero, 2f \n" " bltz %0, 2f \n"
" sc.w %1, %2 \n" " sc.w %1, %2 \n"
" beqz %1, 1b \n" " beqz %1, 1b \n"
"2: \n" "2: \n"
...@@ -321,7 +321,7 @@ static inline long arch_atomic64_sub_if_positive(long i, atomic64_t *v) ...@@ -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" "1: ll.d %1, %2 # atomic64_sub_if_positive \n"
" addi.d %0, %1, %3 \n" " addi.d %0, %1, %3 \n"
" move %1, %0 \n" " move %1, %0 \n"
" blt %0, $zero, 2f \n" " bltz %0, 2f \n"
" sc.d %1, %2 \n" " sc.d %1, %2 \n"
" beqz %1, 1b \n" " beqz %1, 1b \n"
"2: \n" "2: \n"
...@@ -334,7 +334,7 @@ static inline long arch_atomic64_sub_if_positive(long i, atomic64_t *v) ...@@ -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" "1: ll.d %1, %2 # atomic64_sub_if_positive \n"
" sub.d %0, %1, %3 \n" " sub.d %0, %1, %3 \n"
" move %1, %0 \n" " move %1, %0 \n"
" blt %0, $zero, 2f \n" " bltz %0, 2f \n"
" sc.d %1, %2 \n" " sc.d %1, %2 \n"
" beqz %1, 1b \n" " beqz %1, 1b \n"
"2: \n" "2: \n"
......
...@@ -47,7 +47,7 @@ SYM_FUNC_START(handle_tlb_load) ...@@ -47,7 +47,7 @@ SYM_FUNC_START(handle_tlb_load)
* The vmalloc handling is not in the hotpath. * The vmalloc handling is not in the hotpath.
*/ */
csrrd t0, LOONGARCH_CSR_BADV csrrd t0, LOONGARCH_CSR_BADV
blt t0, zero, vmalloc_load bltz t0, vmalloc_load
csrrd t1, LOONGARCH_CSR_PGDL csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_load: vmalloc_done_load:
...@@ -210,7 +210,7 @@ SYM_FUNC_START(handle_tlb_store) ...@@ -210,7 +210,7 @@ SYM_FUNC_START(handle_tlb_store)
* The vmalloc handling is not in the hotpath. * The vmalloc handling is not in the hotpath.
*/ */
csrrd t0, LOONGARCH_CSR_BADV csrrd t0, LOONGARCH_CSR_BADV
blt t0, zero, vmalloc_store bltz t0, vmalloc_store
csrrd t1, LOONGARCH_CSR_PGDL csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_store: vmalloc_done_store:
...@@ -378,7 +378,7 @@ SYM_FUNC_START(handle_tlb_modify) ...@@ -378,7 +378,7 @@ SYM_FUNC_START(handle_tlb_modify)
* The vmalloc handling is not in the hotpath. * The vmalloc handling is not in the hotpath.
*/ */
csrrd t0, LOONGARCH_CSR_BADV csrrd t0, LOONGARCH_CSR_BADV
blt t0, zero, vmalloc_modify bltz t0, vmalloc_modify
csrrd t1, LOONGARCH_CSR_PGDL csrrd t1, LOONGARCH_CSR_PGDL
vmalloc_done_modify: vmalloc_done_modify:
......
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