| Message ID | CAFULd4bEvd9s4DUugbUG6t0Eraje+EJ+oMMuYKSz7nCREu+vZg@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
> 2015-07-29 Uros Bizjak <ubizjak@gmail.com> > > PR libgfortran/66650 > * libgfortran.h (GFC_DTYPE_SIZE_MASK): Rewrite to avoid > "left shift of negative value" warning. OK. Thanks for the patch. FX
Index: libgfortran.h =================================================================== --- libgfortran.h (revision 226339) +++ libgfortran.h (working copy) @@ -404,8 +404,7 @@ /* Macros to get both the size and the type with a single masking operation */ -#define GFC_DTYPE_SIZE_MASK \ - ((~((index_type) 0) >> GFC_DTYPE_SIZE_SHIFT) << GFC_DTYPE_SIZE_SHIFT) +#define GFC_DTYPE_SIZE_MASK (-((index_type) 1 << GFC_DTYPE_SIZE_SHIFT)) #define GFC_DTYPE_TYPE_SIZE_MASK (GFC_DTYPE_SIZE_MASK | GFC_DTYPE_TYPE_MASK) #define GFC_DTYPE_TYPE_SIZE(desc) ((desc)->dtype & GFC_DTYPE_TYPE_SIZE_MASK)
Attached patch rewrites GFC_DTYPE_SIZE_MASK definition to avoid "left shift of negative value" warning. during ligfortran build. 2015-07-29 Uros Bizjak <ubizjak@gmail.com> PR libgfortran/66650 * libgfortran.h (GFC_DTYPE_SIZE_MASK): Rewrite to avoid "left shift of negative value" warning. Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}. OK for mainline and release branches? Uros. ---