diff options
Diffstat (limited to 'gcc/config/c4x/c4x.h')
| -rw-r--r-- | gcc/config/c4x/c4x.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/config/c4x/c4x.h b/gcc/config/c4x/c4x.h index 8b5025c536e..924642a3872 100644 --- a/gcc/config/c4x/c4x.h +++ b/gcc/config/c4x/c4x.h @@ -1555,7 +1555,7 @@ CUMULATIVE_ARGS; The problem is a subtle one and deals with the manner in which the negative condition (N) flag is used on the C4x. This flag does not reflect the status of the actual result but of the ideal result had - no overflow occured (when considering signed operands). + no overflow occurred (when considering signed operands). For example, 0x7fffffff + 1 => 0x80000000 Z=0 V=1 N=0 C=0. Here the flags reflect the untruncated result, not the actual result. @@ -1591,7 +1591,7 @@ CUMULATIVE_ARGS; To handle the problem where the N flag is set differently whenever there is an overflow we use a different CC mode, CC_NOOVmode which says that the CC reflects the comparison of the result against zero - if no overflow occured. + if no overflow occurred. For example, |