diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 10 |
1 files changed, 1 insertions, 9 deletions
@@ -462,18 +462,10 @@ struct table_elt /* Determine whether register number N is considered a fixed register for CSE. It is desirable to replace other regs with fixed regs, to reduce need for non-fixed hard regs. - A reg wins if it is either the frame pointer or designated as fixed, - but not if it is an overlapping register. */ -#ifdef OVERLAPPING_REGNO_P -#define FIXED_REGNO_P(N) \ - (((N) == FRAME_POINTER_REGNUM || (N) == HARD_FRAME_POINTER_REGNUM \ - || fixed_regs[N] || global_regs[N]) \ - && ! OVERLAPPING_REGNO_P ((N))) -#else + A reg wins if it is either the frame pointer or designated as fixed. */ #define FIXED_REGNO_P(N) \ ((N) == FRAME_POINTER_REGNUM || (N) == HARD_FRAME_POINTER_REGNUM \ || fixed_regs[N] || global_regs[N]) -#endif /* Compute cost of X, as stored in the `cost' field of a table_elt. Fixed hard registers and pointers into the frame are the cheapest with a cost |