diff options
Diffstat (limited to 'gcc/local-alloc.c')
| -rw-r--r-- | gcc/local-alloc.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index d71acab..1802d09 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -759,27 +759,6 @@ memref_used_between_p (rtx memref, rtx start, rtx end) return 0; } -/* Return nonzero if the rtx X is invariant over the current function. */ -/* ??? Actually, the places this is used in reload expect exactly what - is tested here, and not everything that is function invariant. In - particular, the frame pointer and arg pointer are special cased; - pic_offset_table_rtx is not, and this will cause aborts when we - go to spill these things to memory. */ - -int -function_invariant_p (rtx x) -{ - if (CONSTANT_P (x)) - return 1; - if (x == frame_pointer_rtx || x == arg_pointer_rtx) - return 1; - if (GET_CODE (x) == PLUS - && (XEXP (x, 0) == frame_pointer_rtx || XEXP (x, 0) == arg_pointer_rtx) - && CONSTANT_P (XEXP (x, 1))) - return 1; - return 0; -} - /* Find registers that are equivalent to a single value throughout the compilation (either because they can be referenced in memory or are set once from a single constant). Lower their priority for a register. |