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-rw-r--r--py/asmthumb.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/py/asmthumb.c b/py/asmthumb.c
index 16337f4d5e..8341c958e9 100644
--- a/py/asmthumb.c
+++ b/py/asmthumb.c
@@ -88,6 +88,7 @@ void asm_thumb_start_pass(asm_thumb_t *as, uint pass) {
}
void asm_thumb_end_pass(asm_thumb_t *as) {
+ (void)as;
// could check labels are resolved...
}
@@ -402,7 +403,7 @@ void asm_thumb_b_label(asm_thumb_t *as, uint label) {
mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - as->code_offset;
rel -= 4; // account for instruction prefetch, PC is 4 bytes ahead of this instruction
- if (dest != -1 && rel <= -4) {
+ if (dest != (mp_uint_t)-1 && rel <= -4) {
// is a backwards jump, so we know the size of the jump on the first pass
// calculate rel assuming 12 bit relative jump
if (SIGNED_FIT12(rel)) {
@@ -421,7 +422,7 @@ void asm_thumb_bcc_label(asm_thumb_t *as, int cond, uint label) {
mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - as->code_offset;
rel -= 4; // account for instruction prefetch, PC is 4 bytes ahead of this instruction
- if (dest != -1 && rel <= -4) {
+ if (dest != (mp_uint_t)-1 && rel <= -4) {
// is a backwards jump, so we know the size of the jump on the first pass
// calculate rel assuming 9 bit relative jump
if (SIGNED_FIT9(rel)) {