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decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly

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text	   data	    bss	    dec	    hex	filename
1021988	    559	   5052	1027599	  fae0f	busybox_old
1021236	    559	   5052	1026847	  fab1f	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-11-30 13:03:03 +01:00
parent 2fba2f5bb9
commit 965b795b87
51 changed files with 92 additions and 96 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
coreutils/od_bloaty.c
View File

@ -627,7 +627,7 @@ decode_one_format(const char *s_orig, const char *s, struct tspec *tspec)
bytes_to_unsigned_dec_digits,
bytes_to_hex_digits,
};
static const char doux_fmtstring[][sizeof(" %%0%u%s")] = {
static const char doux_fmtstring[][sizeof(" %%0%u%s")] ALIGN1 = {
" %%%u%s",
" %%0%u%s",
" %%%u%s",
@ -1148,7 +1148,7 @@ dump_strings(off_t address, off_t end_offset)
static int
parse_old_offset(const char *s, off_t *offset)
{
static const struct suffix_mult Bb[] = {
static const struct suffix_mult Bb[] ALIGN_SUFFIX = {
{ "B", 1024 },
{ "b", 512 },
{ "", 0 }

2
coreutils/split.c
View File

@ -44,7 +44,7 @@
#include "common_bufsiz.h"
#if ENABLE_FEATURE_SPLIT_FANCY
static const struct suffix_mult split_suffixes[] = {
static const struct suffix_mult split_suffixes[] ALIGN_SUFFIX = {
{ "b", 512 },
{ "k", 1024 },
{ "m", 1024*1024 },

2
coreutils/stat.c
View File

@ -208,7 +208,7 @@ FS_TYPE(0x62656572, "sysfs")
static const char *human_fstype(uint32_t f_type)
{
# define FS_TYPE(type, name) type,
static const uint32_t fstype[] = {
static const uint32_t fstype[] ALIGN4 = {
FS_TYPE_LIST
};
# undef FS_TYPE

4
coreutils/stty.c
View File

@ -487,7 +487,7 @@ static const char mode_name[] ALIGN1 =
#undef MI_ENTRY
#define MI_ENTRY(N,T,F,B,M) { T, F, M, B },
static const struct mode_info mode_info[] = {
static const struct mode_info mode_info[] ALIGN4 = {
/* This should be verbatim cut-n-paste copy of the above MI_ENTRYs */
MI_ENTRY("evenp", combination, REV | OMIT, 0, 0 )
MI_ENTRY("parity", combination, REV | OMIT, 0, 0 )
@ -905,7 +905,7 @@ static void display_window_size(int fancy)
}
}
static const struct suffix_mult stty_suffixes[] = {
static const struct suffix_mult stty_suffixes[] ALIGN_SUFFIX = {
{ "b", 512 },
{ "k", 1024 },
{ "B", 1024 },

2
coreutils/test.c
View File

@ -306,7 +306,7 @@ struct operator_t {
unsigned char op_num, op_type;
};
static const struct operator_t ops_table[] = {
static const struct operator_t ops_table[] ALIGN2 = {
{ /* "-r" */ FILRD , UNOP },
{ /* "-w" */ FILWR , UNOP },
{ /* "-x" */ FILEX , UNOP },