diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/combine.c | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7f11bb8..682001b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Sep 4 18:48:10 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * combine.c (make_compound_operation): Don't generate zero / sign + extensions in floating point modes. + 2002-09-04 Janis Johnson <janis187@us.ibm.com> * doc/c-tree.texi: Fix overfull hboxes. diff --git a/gcc/combine.c b/gcc/combine.c index 4a2ae3c..10ee904 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -6629,7 +6629,11 @@ make_compound_operation (x, in_code) if (GET_MODE_SIZE (mode) > GET_MODE_SIZE (GET_MODE (tem)) || (GET_MODE_SIZE (mode) > GET_MODE_SIZE (GET_MODE (XEXP (tem, 0))))) - tem = gen_rtx_fmt_e (GET_CODE (tem), mode, XEXP (tem, 0)); + { + if (! INTEGRAL_MODE_P (mode)) + break; + tem = gen_rtx_fmt_e (GET_CODE (tem), mode, XEXP (tem, 0)); + } else tem = gen_lowpart_for_combine (mode, XEXP (tem, 0)); return tem; |