diff options
Diffstat (limited to 'src/SDCCopt.c')
| -rw-r--r-- | src/SDCCopt.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/SDCCopt.c b/src/SDCCopt.c index f82cabf85..3f8c1276f 100644 --- a/src/SDCCopt.c +++ b/src/SDCCopt.c @@ -563,13 +563,29 @@ cnvFromFloatCast (iCode * ic, eBBlock * ebp) { iCode *ip, *newic; symbol *func = NULL; - sym_link *type = copyLinkChain (operandType (IC_LEFT (ic))); - SPEC_SHORT (type) = 0; char *filename = ic->filename; int lineno = ic->lineno; int bwd, su; int bytesPushed=0; + // Use basic type cast function for _BitInt. Choose something big enough to represent all values of the _BitInt, don't worry about what happens if that is not enough for the float value, or some of the basic type values won't fit into the BitInt - all that is UB anyway. + if (IS_BITINT (operandType (ic->left))) + { + sym_link *newtype; + if (SPEC_BITINTWIDTH (operandType (ic->left)) <= 16) + newtype = newIntLink(); + else if (SPEC_BITINTWIDTH (operandType (ic->left)) <= 32) + newtype = newLongLink(); + else // Fall back to 64 bit. + newtype = newLongLongLink(); + SPEC_USIGN (newtype) = SPEC_USIGN (operandType (ic->left)); + ic->left = operandFromLink (newtype); + appendCast (ic, newtype, ebp); + } + + sym_link *type = copyLinkChain (operandType (ic->left)); + SPEC_SHORT (type) = 0; + ip = ic->next; /* remove it from the iCode */ unsetDefsAndUses (ic); |