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Support for for-loop in native thumb.

This commit is contained in:
Damien 2013-11-03 14:25:43 +00:00
parent 1a6633a74d
commit 9b9e996df6
3 changed files with 9 additions and 8 deletions
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11
py/asmthumb.c
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@ -349,10 +349,13 @@ void asm_thumb_mov_reg_local(asm_thumb_t *as, uint rlo_dest, int local_num) {
asm_thumb_write_op16(as, OP_LDR_FROM_SP_OFFSET(rlo_dest, word_offset));
}
void asm_thumb_mov_reg_local_addr(asm_thumb_t *as, uint reg_dest, int local_num) {
assert(0);
// see format 12, load address
asm_thumb_write_op16(as, 0x0000);
#define OP_ADD_REG_SP_OFFSET(rlo_dest, word_offset) (0xa800 | ((rlo_dest) << 8) | ((word_offset) & 0x00ff))
void asm_thumb_mov_reg_local_addr(asm_thumb_t *as, uint rlo_dest, int local_num) {
assert(rlo_dest < REG_R8);
int word_offset = as->num_locals - local_num - 1;
assert(as->pass < ASM_THUMB_PASS_3 || word_offset >= 0);
asm_thumb_write_op16(as, OP_ADD_REG_SP_OFFSET(rlo_dest, word_offset));
}
#define OP_ADD_REG_REG_REG(rlo_dest, rlo_src_a, rlo_src_b) (0x1800 | ((rlo_src_b) << 6) | ((rlo_src_a) << 3) | (rlo_dest))

2
py/asmthumb.h
View File

@ -71,7 +71,7 @@ void asm_thumb_mov_reg_i32(asm_thumb_t *as, uint reg_dest, machine_uint_t i32_sr
void asm_thumb_mov_reg_i32_optimised(asm_thumb_t *as, uint reg_dest, int i32_src); // convenience
void asm_thumb_mov_local_reg(asm_thumb_t *as, int local_num_dest, uint rlo_src); // convenience
void asm_thumb_mov_reg_local(asm_thumb_t *as, uint rlo_dest, int local_num); // convenience
void asm_thumb_mov_reg_local_addr(asm_thumb_t *as, uint reg_dest, int local_num); // convenience
void asm_thumb_mov_reg_local_addr(asm_thumb_t *as, uint rlo_dest, int local_num); // convenience
void asm_thumb_add_reg_reg_reg(asm_thumb_t *as, uint rlo_dest, uint rlo_src_a, uint rlo_src_b); // convenience ?
void asm_thumb_cmp_reg_reg(asm_thumb_t *as, uint rlo_a, uint rlo_b); // convenience ?

4
py/emitnative.c
View File

@ -965,10 +965,8 @@ static void emit_native_for_iter(emit_t *emit, int label) {
asm_x64_cmp_r64_with_r64(emit->as, REG_RET, REG_TEMP1);
asm_x64_jcc_label(emit->as, JCC_JE, label);
#elif N_THUMB
assert(0); // XXX TODO
asm_thumb_cmp_reg_reg(emit->as, REG_RET, REG_TEMP1);
// use it, b?
asm_thumb_b_label(emit->as, label);
asm_thumb_bcc_label(emit->as, THUMB_CC_EQ, label);
#endif
emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
}