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py: Make asm_arm_less_op take destination register as first arg.

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This gets ARM native emitter working againg and addresses issue #858.
This commit is contained in:
Damien George 2014-09-15 16:39:24 +01:00
parent b92cbe6129
commit d4a799f152
3 changed files with 6 additions and 6 deletions
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8
py/asmarm.c
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@ -287,10 +287,10 @@ void asm_arm_cmp_reg_reg(asm_arm_t *as, uint rd, uint rn) {
emit_al(as, 0x1500000 | (rd << 16) | rn);
}
void asm_arm_less_op(asm_arm_t *as, uint rd, uint rn) {
asm_arm_cmp_reg_reg(as, rd, rn); // cmp rd, rn
emit(as, asm_arm_op_mov_imm(REG_RET, 1) | ARM_CC_LT); // movlt REG_RET, #1
emit(as, asm_arm_op_mov_imm(REG_RET, 0) | ARM_CC_GE); // movge REG_RET, #0
void asm_arm_less_op(asm_arm_t *as, uint rd, uint rn, uint rm) {
asm_arm_cmp_reg_reg(as, rn, rm); // cmp rn, rm
emit(as, asm_arm_op_mov_imm(rd, 1) | ARM_CC_LT); // movlt rd, #1
emit(as, asm_arm_op_mov_imm(rd, 0) | ARM_CC_GE); // movge rd, #0
}
void asm_arm_add_reg(asm_arm_t *as, uint rd, uint rn, uint rm) {

2
py/asmarm.h
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@ -88,7 +88,7 @@ void asm_arm_mov_reg_local(asm_arm_t *as, uint rd, int local_num);
void asm_arm_cmp_reg_i8(asm_arm_t *as, uint rd, int imm);
void asm_arm_cmp_reg_reg(asm_arm_t *as, uint rd, uint rn);
void asm_arm_less_op(asm_arm_t *as, uint rd, uint rn);
void asm_arm_less_op(asm_arm_t *as, uint rd, uint rn, uint rm);
void asm_arm_add_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);

2
py/emitnative.c
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@ -1514,7 +1514,7 @@ STATIC void emit_native_binary_op(emit_t *emit, mp_binary_op_t op) {
asm_thumb_mov_rlo_i8(emit->as, REG_RET, 0); // if r0 >= r1
asm_thumb_mov_rlo_i8(emit->as, REG_RET, 1); // if r0 < r1
#elif N_ARM
asm_arm_less_op(emit->as, REG_ARG_2, REG_ARG_3);
asm_arm_less_op(emit->as, REG_RET, REG_ARG_2, REG_ARG_3);
#else
#error not implemented
#endif