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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-10-13 09:32:29 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-10-13 09:32:29 +0000 |
| commit | 90f2b7e220df8ce298b2cd8f853a02aaecdbff0b (patch) | |
| tree | e6e6b7a6cd37b119b1118babd9d53aa30d191bde /gcc/final.c | |
| parent | 610c45fcbfff43176beefefcea74c6137a432220 (diff) | |
| download | gcc-90f2b7e220df8ce298b2cd8f853a02aaecdbff0b.zip gcc-90f2b7e220df8ce298b2cd8f853a02aaecdbff0b.tar.gz gcc-90f2b7e220df8ce298b2cd8f853a02aaecdbff0b.tar.bz2 | |
Make more use of byte_lowpart_offset
This patch uses byte_lowpart_offset in places that open-coded the
calculation.
2017-10-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* caller-save.c (replace_reg_with_saved_mem): Use byte_lowpart_offset.
* combine.c (gen_lowpart_for_combine): Likewise.
* dwarf2out.c (rtl_for_decl_location): Likewise.
* final.c (alter_subreg): Likewise.
* rtlhooks.c (gen_lowpart_general): Likewise.
(gen_lowpart_if_possible): Likewise.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253714
Diffstat (limited to 'gcc/final.c')
| -rw-r--r-- | gcc/final.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/gcc/final.c b/gcc/final.c index eff2ee6..0ddf779 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -3199,14 +3199,7 @@ alter_subreg (rtx *xp, bool final_p) /* For paradoxical subregs on big-endian machines, SUBREG_BYTE contains 0 instead of the proper offset. See simplify_subreg. */ if (paradoxical_subreg_p (x)) - { - int difference = GET_MODE_SIZE (GET_MODE (y)) - - GET_MODE_SIZE (GET_MODE (x)); - if (WORDS_BIG_ENDIAN) - offset += (difference / UNITS_PER_WORD) * UNITS_PER_WORD; - if (BYTES_BIG_ENDIAN) - offset += difference % UNITS_PER_WORD; - } + offset = byte_lowpart_offset (GET_MODE (x), GET_MODE (y)); if (final_p) *xp = adjust_address (y, GET_MODE (x), offset); |