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| author | Eric Botcazou <ebotcazou@adacore.com> | 2008-09-28 09:17:30 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2008-09-28 09:17:30 +0000 |
| commit | 86cfb27a7d6f38b1138ad376738ec6690dfe2e8b (patch) | |
| tree | 0731ffe63c84669ad48a81762dda973a70625d68 /gcc | |
| parent | 57cb79efa40dd98e6250d5f8e49eb608c0abc15b (diff) | |
| download | gcc-86cfb27a7d6f38b1138ad376738ec6690dfe2e8b.zip gcc-86cfb27a7d6f38b1138ad376738ec6690dfe2e8b.tar.gz gcc-86cfb27a7d6f38b1138ad376738ec6690dfe2e8b.tar.bz2 | |
expmed.c (store_fixed_bit_field): Always use convert_to_mode in order to convert between modes.
* expmed.c (store_fixed_bit_field): Always use convert_to_mode in
order to convert between modes.
(extract_bit_field_1): Test TRULY_NOOP_TRUNCATION on the right mode.
From-SVN: r140730
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expmed.c | 10 |
2 files changed, 8 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8782ad2..c9fc7ae 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-09-28 Eric Botcazou <ebotcazou@adacore.com> + + * expmed.c (store_fixed_bit_field): Always use convert_to_mode in + order to convert between modes. + (extract_bit_field_1): Test TRULY_NOOP_TRUNCATION on the right mode. + 2008-09-27 Kaz Kojima <kkojima@gcc.gnu.org> * config/sh/sh.c (sh_gimplify_va_arg_expr): Use VIEW_CONVERT_EXPR diff --git a/gcc/expmed.c b/gcc/expmed.c index 6099c4b..ae5ad0a 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -949,13 +949,7 @@ store_fixed_bit_field (rtx op0, unsigned HOST_WIDE_INT offset, && bitpos + bitsize != GET_MODE_BITSIZE (mode)); if (GET_MODE (value) != mode) - { - if ((REG_P (value) || GET_CODE (value) == SUBREG) - && GET_MODE_SIZE (mode) < GET_MODE_SIZE (GET_MODE (value))) - value = gen_lowpart (mode, value); - else - value = convert_to_mode (mode, value, 1); - } + value = convert_to_mode (mode, value, 1); if (must_and) value = expand_binop (mode, and_optab, value, @@ -1348,7 +1342,7 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, ? bitpos + bitsize == BITS_PER_WORD : bitpos == 0))) && ((!MEM_P (op0) - && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode), + && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode1), GET_MODE_BITSIZE (GET_MODE (op0))) && GET_MODE_SIZE (mode1) != 0 && byte_offset % GET_MODE_SIZE (mode1) == 0) |