diff options
Diffstat (limited to 'py/asmthumb.c')
| -rw-r--r-- | py/asmthumb.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/py/asmthumb.c b/py/asmthumb.c index 5316a7efb..c5b45f2f5 100644 --- a/py/asmthumb.c +++ b/py/asmthumb.c @@ -104,6 +104,8 @@ STATIC void asm_thumb_write_word32(asm_thumb_t *as, int w32) { // | low address | high address in RAM void asm_thumb_entry(asm_thumb_t *as, int num_locals) { + assert(num_locals >= 0); + // work out what to push and how many extra spaces to reserve on stack // so that we have enough for all locals and it's aligned an 8-byte boundary // we push extra regs (r1, r2, r3) to help do the stack adjustment @@ -111,9 +113,6 @@ void asm_thumb_entry(asm_thumb_t *as, int num_locals) { // for push rlist, lowest numbered register at the lowest address uint reglist; uint stack_adjust; - if (num_locals < 0) { - num_locals = 0; - } // don't pop r0 because it's used for return value switch (num_locals) { case 0: |