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riscv-gcc-1
Commit c7554b28 by Richard Kenner
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(store_fixed_bit_field): If not SLOW_UNALIGNED_ACCESS, treat 

everything as maximally aligned.

From-SVN: r13371
parent 1a6ec070
Showing with 4 additions and 1 deletions
gcc/expmed.c
/* Medium-level subroutines: convert bit-field store and extract /* Medium-level subroutines: convert bit-field store and extract
and shifts, multiplies and divides to rtl instructions. and shifts, multiplies and divides to rtl instructions.
Copyright (C) 1987, 88, 89, 92-5, 1996 Free Software Foundation, Inc. Copyright (C) 1987, 88, 89, 92-6, 1997 Free Software Foundation, Inc.
This file is part of GNU CC. This file is part of GNU CC.
...@@ -557,6 +557,9 @@ store_fixed_bit_field (op0, offset, bitsize, bitpos, value, struct_align) ...@@ -557,6 +557,9 @@ store_fixed_bit_field (op0, offset, bitsize, bitpos, value, struct_align)
int all_zero = 0; int all_zero = 0;
int all_one = 0; int all_one = 0;
if (! SLOW_UNALIGNED_ACCESS)
struct_align = BIGGEST_ALIGNMENT / BITS_PER_UNIT;
/* There is a case not handled here: /* There is a case not handled here:
a structure with a known alignment of just a halfword a structure with a known alignment of just a halfword
and a field split across two aligned halfwords within the structure. and a field split across two aligned halfwords within the structure.
......
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