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-rw-r--r--py/emitinlinethumb.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/py/emitinlinethumb.c b/py/emitinlinethumb.c
index 854b1460dd..317febe923 100644
--- a/py/emitinlinethumb.c
+++ b/py/emitinlinethumb.c
@@ -703,11 +703,10 @@ STATIC void emit_inline_thumb_op(emit_inline_asm_t *emit, qstr op, mp_uint_t n_a
goto op_movw_movt;
} else if (ARMV7M && strcmp(op_str, "movwt") == 0) {
// this is a convenience instruction
- // we clear the MSB since it might be set from extracting the small int value
mp_uint_t reg_dest = get_arg_reg(emit, op_str, pn_args[0], 15);
- int 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_MOVT, reg_dest, (i_src >> 16) & 0x7fff);
+ asm_thumb_mov_reg_i16(emit->as, ASM_THUMB_OP_MOVT, reg_dest, (i_src >> 16) & 0xffff);
} else if (ARMV7M && strcmp(op_str, "ldrex") == 0) {
mp_uint_t r_dest = get_arg_reg(emit, op_str, pn_args[0], 15);
mp_parse_node_t pn_base, pn_offset;