diff options
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 876f7ef..4ee3840 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -2819,18 +2819,16 @@ eliminate_regs_1 (rtx x, machine_mode mem_mode, rtx insn, if (MEM_P (new_rtx) && ((x_size < new_size -#if WORD_REGISTER_OPERATIONS - /* On these machines, combine can create rtl of the form + /* On RISC machines, combine can create rtl of the form (set (subreg:m1 (reg:m2 R) 0) ...) where m1 < m2, and expects something interesting to happen to the entire word. Moreover, it will use the (reg:m2 R) later, expecting all bits to be preserved. So if the number of words is the same, preserve the subreg so that push_reload can see it. */ - && ! ((x_size - 1) / UNITS_PER_WORD - == (new_size -1 ) / UNITS_PER_WORD) -#endif - ) + && !(WORD_REGISTER_OPERATIONS + && (x_size - 1) / UNITS_PER_WORD + == (new_size -1 ) / UNITS_PER_WORD)) || x_size == new_size) ) return adjust_address_nv (new_rtx, GET_MODE (x), SUBREG_BYTE (x)); |