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| author | Jan Beulich <jbeulich@suse.com> | 2024-09-27 11:23:12 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2024-09-27 11:23:12 +0200 |
| commit | ca6b6f9d6e65d27bc40c8f1e4c6d39fe04cfbdb2 (patch) | |
| tree | 0eaf2affbf899f4c470debc6a457a95335cf0f84 /opcodes/i386-tbl.h | |
| parent | f079b0c4b2923393c2ce58e72dfd5a1f2c7a339a (diff) | |
| download | gdb-ca6b6f9d6e65d27bc40c8f1e4c6d39fe04cfbdb2.zip gdb-ca6b6f9d6e65d27bc40c8f1e4c6d39fe04cfbdb2.tar.gz gdb-ca6b6f9d6e65d27bc40c8f1e4c6d39fe04cfbdb2.tar.bz2 | |
x86: optimize {,V}INSERTPS with certain immediates
They are equivalent to simple moves or xors, which are up to 3 bytes
shorter to encode (and maybe/likely also cheaper to execute).
Diffstat (limited to 'opcodes/i386-tbl.h')
| -rw-r--r-- | opcodes/i386-tbl.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h index 5e04c5d..4de9578 100644 --- a/opcodes/i386-tbl.h +++ b/opcodes/i386-tbl.h @@ -18062,7 +18062,7 @@ static const insn_template i386_optab[] = 0, 0, 0, 0, 0, 0 } } } }, { MN_insertps, 0x21, 3, SPACE_0F3A, None, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 1, 1, 1, 1, 0, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, + 0, 0, 0, 1, 1, 1, 1, 0, 1, 2, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0 }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, { { 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0 } }, @@ -18074,7 +18074,7 @@ static const insn_template i386_optab[] = 1, 0, 0, 0, 0, 0 } } } }, { MN_insertps, 0x21, 3, SPACE_0F3A, None, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 }, { { 28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, @@ -26050,7 +26050,7 @@ static const insn_template i386_optab[] = 0, 1, 0, 0, 0, 0 } } } }, { MN_vinsertps, 0x21, 4, SPACE_0F3A, None, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 1, 1, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 0, 0, 0, 1, 1, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 }, { { 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 } }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, @@ -26064,7 +26064,7 @@ static const insn_template i386_optab[] = 1, 0, 0, 0, 0, 0 } } } }, { MN_vinsertps, 0x21, 4, SPACE_0F3A, None, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 1, 1, 1, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 1, 1, 0, 0, 2, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0 }, { { 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 } }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, |