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py/emitinlinethumb: Exclude code using #if when ARMV7M disabled. 

So there are no references to undeclared asm_thumb_mov_reg_i16().

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2021-01-18 00:59:47 +11:00
parent 7a97e4351b
commit 75fea330bf
1 changed files with 6 additions and 4 deletions
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10
py/emitinlinethumb.c
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@ -705,23 +705,24 @@ STATIC void emit_inline_thumb_op(emit_inline_asm_t *emit, qstr op, mp_uint_t n_a
} else if (op == MP_QSTR_sub) { } else if (op == MP_QSTR_sub) {
op_code = ASM_THUMB_FORMAT_3_SUB; op_code = ASM_THUMB_FORMAT_3_SUB;
goto op_format_3; goto op_format_3;
} else if (ARMV7M && op == MP_QSTR_movw) { #if ARMV7M
} else if (op == MP_QSTR_movw) {
op_code = ASM_THUMB_OP_MOVW; op_code = ASM_THUMB_OP_MOVW;
mp_uint_t reg_dest; mp_uint_t reg_dest;
op_movw_movt: op_movw_movt:
reg_dest = get_arg_reg(emit, op_str, pn_args[0], 15); reg_dest = get_arg_reg(emit, op_str, pn_args[0], 15);
int i_src = get_arg_i(emit, op_str, pn_args[1], 0xffff); int i_src = get_arg_i(emit, op_str, pn_args[1], 0xffff);
asm_thumb_mov_reg_i16(&emit->as, op_code, reg_dest, i_src); asm_thumb_mov_reg_i16(&emit->as, op_code, reg_dest, i_src);
} else if (ARMV7M && op == MP_QSTR_movt) { } else if (op == MP_QSTR_movt) {
op_code = ASM_THUMB_OP_MOVT; op_code = ASM_THUMB_OP_MOVT;
goto op_movw_movt; goto op_movw_movt;
} else if (ARMV7M && op == MP_QSTR_movwt) { } else if (op == MP_QSTR_movwt) {
// this is a convenience instruction // this is a convenience instruction
mp_uint_t reg_dest = get_arg_reg(emit, op_str, pn_args[0], 15); mp_uint_t reg_dest = get_arg_reg(emit, op_str, pn_args[0], 15);
uint32_t i_src = get_arg_i(emit, op_str, pn_args[1], 0xffffffff); uint32_t i_src = get_arg_i(emit, op_str, pn_args[1], 0xffffffff);
asm_thumb_mov_reg_i16(&emit->as, ASM_THUMB_OP_MOVW, reg_dest, i_src & 0xffff); asm_thumb_mov_reg_i16(&emit->as, ASM_THUMB_OP_MOVW, reg_dest, i_src & 0xffff);
asm_thumb_mov_reg_i16(&emit->as, ASM_THUMB_OP_MOVT, reg_dest, (i_src >> 16) & 0xffff); asm_thumb_mov_reg_i16(&emit->as, ASM_THUMB_OP_MOVT, reg_dest, (i_src >> 16) & 0xffff);
} else if (ARMV7M && op == MP_QSTR_ldrex) { } else if (op == MP_QSTR_ldrex) {
mp_uint_t r_dest = get_arg_reg(emit, op_str, pn_args[0], 15); mp_uint_t r_dest = get_arg_reg(emit, op_str, pn_args[0], 15);
mp_parse_node_t pn_base, pn_offset; mp_parse_node_t pn_base, pn_offset;
if (get_arg_addr(emit, op_str, pn_args[1], &pn_base, &pn_offset)) { if (get_arg_addr(emit, op_str, pn_args[1], &pn_base, &pn_offset)) {
@ -729,6 +730,7 @@ STATIC void emit_inline_thumb_op(emit_inline_asm_t *emit, qstr op, mp_uint_t n_a
mp_uint_t i8 = get_arg_i(emit, op_str, pn_offset, 0xff) >> 2; mp_uint_t i8 = get_arg_i(emit, op_str, pn_offset, 0xff) >> 2;
asm_thumb_op32(&emit->as, 0xe850 | r_base, 0x0f00 | (r_dest << 12) | i8); asm_thumb_op32(&emit->as, 0xe850 | r_base, 0x0f00 | (r_dest << 12) | i8);
} }
#endif
} else { } else {
// search table for ldr/str instructions // search table for ldr/str instructions
for (mp_uint_t i = 0; i < MP_ARRAY_SIZE(format_9_10_op_table); i++) { for (mp_uint_t i = 0; i < MP_ARRAY_SIZE(format_9_10_op_table); i++) {