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>

diff --git a/arch/loongarch/include/asm/atomic.h b/arch/loongarch/include/asm/atomic.h
index 0869bec2c937cacbc523dcf17e0451c1abb7e4e3..dc2ae4f22c8e110140d2144c9ee97d8fc7cd06e9 100644 (file)
--- a/arch/loongarch/include/asm/atomic.h
+++ b/arch/loongarch/include/asm/atomic.h
@@ -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"

diff --git a/arch/loongarch/mm/tlbex.S b/arch/loongarch/mm/tlbex.S
index 4d16e27020e01462ac73283638130fc28f66af76..9ca1e3ff1ded208d8f9e12a007137dd65d7f2abb 100644 (file)
--- a/arch/loongarch/mm/tlbex.S
+++ b/arch/loongarch/mm/tlbex.S
@@ -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: