diff options
Diffstat (limited to 'arch/riscv/lib/memcpy.S')
| -rw-r--r-- | arch/riscv/lib/memcpy.S | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/riscv/lib/memcpy.S b/arch/riscv/lib/memcpy.S index 9884077c933..e5479bbe84e 100644 --- a/arch/riscv/lib/memcpy.S +++ b/arch/riscv/lib/memcpy.S @@ -125,6 +125,14 @@ WEAK(memcpy) .copy_end: ret +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +#define M_SLL sll +#define M_SRL srl +#else +#define M_SLL srl +#define M_SRL sll +#endif + .Lmisaligned_word_copy: /* * Misaligned word-wise copy. @@ -144,10 +152,10 @@ WEAK(memcpy) addi t0, t0, -(SZREG-1) /* At least one iteration will be executed here, no check */ 1: - srl a4, a5, t3 + M_SRL a4, a5, t3 REG_L a5, SZREG(a1) addi a1, a1, SZREG - sll a2, a5, t4 + M_SLL a2, a5, t4 or a2, a2, a4 REG_S a2, 0(a0) addi a0, a0, SZREG |