diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | soft-fp/op-common.h | 8 | ||||
| -rw-r--r-- | soft-fp/soft-fp.h | 9 |
3 files changed, 21 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog index da5c0ef24e..cea5b0e310 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2015-03-11 Joseph Myers <joseph@codesourcery.com> + + * soft-fp/soft-fp.h (_FP_UNREACHABLE): New macro. + * soft-fp/op-common.h (_FP_MUL): Use _FP_UNREACHABLE instead of + abort. + (_FP_FMA): Likewise. + (_FP_DIV): Likewise. + 2015-03-10 Roland McGrath <roland@hack.frob.com> * scripts/evaluate-test.sh: Grok exit code 77 as UNSUPPORTED and exit diff --git a/soft-fp/op-common.h b/soft-fp/op-common.h index 0a2f86aad9..83c2156954 100644 --- a/soft-fp/op-common.h +++ b/soft-fp/op-common.h @@ -927,7 +927,7 @@ break; \ \ default: \ - abort (); \ + _FP_UNREACHABLE; \ } \ } \ while (0) @@ -1092,7 +1092,7 @@ break; \ \ default: \ - abort (); \ + _FP_UNREACHABLE; \ } \ \ /* T = X * Y is zero, infinity or NaN. */ \ @@ -1148,7 +1148,7 @@ break; \ \ default: \ - abort (); \ + _FP_UNREACHABLE; \ } \ done_fma: ; \ } \ @@ -1215,7 +1215,7 @@ break; \ \ default: \ - abort (); \ + _FP_UNREACHABLE; \ } \ } \ while (0) diff --git a/soft-fp/soft-fp.h b/soft-fp/soft-fp.h index bb68df9160..b247125a39 100644 --- a/soft-fp/soft-fp.h +++ b/soft-fp/soft-fp.h @@ -51,6 +51,15 @@ # endif #endif +/* For unreachable default cases in switch statements over bitwise OR + of FP_CLS_* values. */ +#if (defined __GNUC__ \ + && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))) +# define _FP_UNREACHABLE __builtin_unreachable () +#else +# define _FP_UNREACHABLE abort () +#endif + /* In the Linux kernel, some architectures have a single function that uses different kinds of unpacking and packing depending on the instruction being emulated, meaning it is not readily visible to |