diff options
Diffstat (limited to 'py/asmarm.c')
| -rw-r--r-- | py/asmarm.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/py/asmarm.c b/py/asmarm.c index b20bdebde..a1c15d0fa 100644 --- a/py/asmarm.c +++ b/py/asmarm.c @@ -292,8 +292,15 @@ void asm_arm_orr_reg_reg_reg(asm_arm_t *as, uint rd, uint rn, uint rm) { } void asm_arm_mov_reg_local_addr(asm_arm_t *as, uint rd, int local_num) { - // add rd, sp, #local_num*4 - emit_al(as, asm_arm_op_add_imm(rd, ASM_ARM_REG_SP, local_num << 2)); + if (local_num >= 0x40) { + // mov r8, #local_num*4 + // add rd, sp, r8 + asm_arm_mov_reg_i32_optimised(as, ASM_ARM_REG_R8, local_num << 2); + emit_al(as, asm_arm_op_add_reg(rd, ASM_ARM_REG_SP, ASM_ARM_REG_R8)); + } else { + // add rd, sp, #local_num*4 + emit_al(as, asm_arm_op_add_imm(rd, ASM_ARM_REG_SP, local_num << 2)); + } } void asm_arm_mov_reg_pcrel(asm_arm_t *as, uint reg_dest, uint label) { |