From 86cfb27a7d6f38b1138ad376738ec6690dfe2e8b Mon Sep 17 00:00:00 2001 From: Eric Botcazou Date: Sun, 28 Sep 2008 09:17:30 +0000 Subject: [PATCH] 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 --- gcc/ChangeLog | 6 ++++++ gcc/expmed.c | 10 ++-------- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8782ad27374..c9fc7ae1e7b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-09-28 Eric Botcazou + + * 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 * config/sh/sh.c (sh_gimplify_va_arg_expr): Use VIEW_CONVERT_EXPR diff --git a/gcc/expmed.c b/gcc/expmed.c index 6099c4b6839..ae5ad0a2f12 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) -- 2.30.2