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| author | David Edelsohn <edelsohn@gnu.org> | 2000-01-04 20:09:19 +0000 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2000-01-04 15:09:19 -0500 |
| commit | e1565e6588aaf9e7062ff462cb22840f4e66b8c7 (patch) | |
| tree | 8bb48a44401bc6bcd038457e6237820e598dfc94 /gcc/expmed.c | |
| parent | 399b9016a73cf485b8f1863ae21e5cf06e6f6273 (diff) | |
| download | gcc-e1565e6588aaf9e7062ff462cb22840f4e66b8c7.zip gcc-e1565e6588aaf9e7062ff462cb22840f4e66b8c7.tar.gz gcc-e1565e6588aaf9e7062ff462cb22840f4e66b8c7.tar.bz2 | |
expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters to default definition.
* expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
to default definition.
(store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
(store_fixed_bit_field): Call macro with word_mode and alignment.
(extract_bit_field): Call macro with relevant mode and alignment.
* expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
to default definition.
(move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
and alignment.
(move_by_pieces_ninsns): Likewise.
(clear_by_pieces): Likewise.
(emit_push_insn): Likewise.
(store_field): Call macro with relevant mode and alignment.
(expand_expr): Likewise.
(expand_expr_unaligned): Likewise.
* rs6000.h (HANDLE_PRAGMA_PACK): Define.
(SLOW_UNALIGNED_ACCESS): Define.
(CASE_VECTOR_MODE): Always use 32-bit offsets.
(ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
(EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
(toc_section): Likewise and .toc pseudo-op.
(ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
64-bit mode.
(TEXT_SECTION_ASM_OP): Likewise.
(ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
32-bit offsets.
* a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
* alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
* arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
* gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
* fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
From-SVN: r31211
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index e558cb0..2897d77 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -54,7 +54,7 @@ static void do_cmp_and_jump PROTO((rtx, rtx, enum rtx_code, static int sdiv_pow2_cheap, smod_pow2_cheap; #ifndef SLOW_UNALIGNED_ACCESS -#define SLOW_UNALIGNED_ACCESS STRICT_ALIGNMENT +#define SLOW_UNALIGNED_ACCESS(MODE, ALIGN) STRICT_ALIGNMENT #endif /* For compilers that support multiple targets with different word sizes, @@ -295,7 +295,7 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size) BITPOS is 0 in a REG bigger than a word. */ if (GET_MODE_SIZE (fieldmode) >= UNITS_PER_WORD && (GET_CODE (op0) != MEM - || ! SLOW_UNALIGNED_ACCESS + || ! SLOW_UNALIGNED_ACCESS (fieldmode, align) || (offset * BITS_PER_UNIT % bitsize == 0 && align % GET_MODE_SIZE (fieldmode) == 0)) && bitpos == 0 && bitsize == GET_MODE_BITSIZE (fieldmode)) @@ -509,7 +509,8 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size) bestmode = GET_MODE (op0); if (bestmode == VOIDmode - || (SLOW_UNALIGNED_ACCESS && GET_MODE_SIZE (bestmode) > align)) + || (SLOW_UNALIGNED_ACCESS (bestmode, align) + && GET_MODE_SIZE (bestmode) > align)) goto insv_loses; /* Adjust address to point to the containing unit of that mode. */ @@ -632,7 +633,7 @@ store_fixed_bit_field (op0, offset, bitsize, bitpos, value, struct_align) int all_zero = 0; int all_one = 0; - if (! SLOW_UNALIGNED_ACCESS) + if (! SLOW_UNALIGNED_ACCESS (word_mode, struct_align)) struct_align = BIGGEST_ALIGNMENT / BITS_PER_UNIT; /* There is a case not handled here: @@ -1052,7 +1053,7 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp, && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode), GET_MODE_BITSIZE (GET_MODE (op0)))) || (GET_CODE (op0) == MEM - && (! SLOW_UNALIGNED_ACCESS + && (! SLOW_UNALIGNED_ACCESS (mode, align) || (offset * BITS_PER_UNIT % bitsize == 0 && align * BITS_PER_UNIT % bitsize == 0)))) && ((bitsize >= BITS_PER_WORD && bitsize == GET_MODE_BITSIZE (mode) @@ -1253,7 +1254,8 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp, bestmode = GET_MODE (xop0); if (bestmode == VOIDmode - || (SLOW_UNALIGNED_ACCESS && GET_MODE_SIZE (bestmode) > align)) + || (SLOW_UNALIGNED_ACCESS (bestmode, align) + && GET_MODE_SIZE (bestmode) > align)) goto extzv_loses; /* Compute offset as multiple of this unit, @@ -1390,7 +1392,8 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp, bestmode = GET_MODE (xop0); if (bestmode == VOIDmode - || (SLOW_UNALIGNED_ACCESS && GET_MODE_SIZE (bestmode) > align)) + || (SLOW_UNALIGNED_ACCESS (bestmode, align) + && GET_MODE_SIZE (bestmode) > align)) goto extv_loses; /* Compute offset as multiple of this unit, |