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| author | Jan Beulich <jbeulich@suse.com> | 2023-10-23 10:35:11 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2023-10-23 10:35:11 +0200 |
| commit | ae7067fb21899c03ff9e12f95730cfa1d649c7dd (patch) | |
| tree | c803f84edf912a99ef497b8756f4ccca0e3fad95 /gas/config | |
| parent | ad9f3230565ca40bfa1d9a3106aaaa272cb125f2 (diff) | |
| download | gdb-ae7067fb21899c03ff9e12f95730cfa1d649c7dd.zip gdb-ae7067fb21899c03ff9e12f95730cfa1d649c7dd.tar.gz gdb-ae7067fb21899c03ff9e12f95730cfa1d649c7dd.tar.bz2 | |
x86: fold a few of the "alternative" NOP patterns
Since named objects may not overlap, the compiler is not permitted to do
this for us, to avoid wasting space and cache bandwidth/capacity.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-i386.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 2b327b0..57ae6c5 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -1324,8 +1324,7 @@ static const unsigned char alt_3[] = static const unsigned char alt_4[] = {0x0f,0x1f,0x40,0x00}; /* nopl 0(%[re]ax,%[re]ax,1) */ -static const unsigned char alt_5[] = - {0x0f,0x1f,0x44,0x00,0x00}; +#define alt_5 (alt_6 + 1) /* nopw 0(%[re]ax,%[re]ax,1) */ static const unsigned char alt_6[] = {0x66,0x0f,0x1f,0x44,0x00,0x00}; @@ -1333,14 +1332,12 @@ static const unsigned char alt_6[] = static const unsigned char alt_7[] = {0x0f,0x1f,0x80,0x00,0x00,0x00,0x00}; /* nopl 0L(%[re]ax,%[re]ax,1) */ -static const unsigned char alt_8[] = - {0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; +#define alt_8 (alt_9 + 1) /* nopw 0L(%[re]ax,%[re]ax,1) */ static const unsigned char alt_9[] = {0x66,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; /* nopw %cs:0L(%[re]ax,%[re]ax,1) */ -static const unsigned char alt_10[] = - {0x66,0x2e,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; +#define alt_10 (alt_11 + 1) /* data16 nopw %cs:0L(%eax,%eax,1) */ static const unsigned char alt_11[] = {0x66,0x66,0x2e,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; |