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| author | Jan Beulich <jbeulich@novell.com> | 2019-06-25 09:23:48 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2019-06-25 09:35:17 +0200 |
| commit | b8364fa775112f036a80e799b70311f69baac131 (patch) | |
| tree | d08fc20075de209c6f88d158e5d48cd13129a8b3 /opcodes | |
| parent | 2a410bd1c373d377c221476ccda2156b595e6d6b (diff) | |
| download | gdb-b8364fa775112f036a80e799b70311f69baac131.zip gdb-b8364fa775112f036a80e799b70311f69baac131.tar.gz gdb-b8364fa775112f036a80e799b70311f69baac131.tar.bz2 | |
x86-64: also optimize ANDQ with immediate fitting in 7 bits
The same reasoning applies here as did/does for immediates fitting in
31 bits.
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/ChangeLog | 5 | ||||
| -rw-r--r-- | opcodes/i386-opc.tbl | 2 | ||||
| -rw-r--r-- | opcodes/i386-tbl.h | 2 |
3 files changed, 7 insertions, 2 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index da0d7ab..c4c3e99 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,8 @@ +2019-06-25 Jan Beulich <jbeulich@suse.com> + + * i386-opc.tbl (and): Mark Imm8S form for optimization. + * i386-tbl.h: Re-generate. + 2019-06-21 H.J. Lu <hongjiu.lu@intel.com> * i386-dis-evex.h: Break into ... diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl index fc33555..b40fa8e 100644 --- a/opcodes/i386-opc.tbl +++ b/opcodes/i386-opc.tbl @@ -209,7 +209,7 @@ test, 2, 0xa8, None, 1, 0, W|No_sSuf|No_ldSuf|Optimize, { Imm8|Imm16|Imm32|Imm32 test, 2, 0xf6, 0x0, 1, 0, W|Modrm|No_sSuf|No_ldSuf|Optimize, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex } and, 2, 0x20, None, 1, 0, D|W|CheckRegSize|Modrm|No_sSuf|No_ldSuf|IsLockable|HLEPrefixOk, { Reg8|Reg16|Reg32|Reg64, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex } -and, 2, 0x83, 0x4, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable|HLEPrefixOk, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex } +and, 2, 0x83, 0x4, 1, 0, Modrm|No_bSuf|No_sSuf|No_ldSuf|IsLockable|HLEPrefixOk|Optimize, { Imm8S, Reg16|Reg32|Reg64|Word|Dword|Qword|Unspecified|BaseIndex } and, 2, 0x24, None, 1, 0, W|No_sSuf|No_ldSuf|Optimize, { Imm8|Imm16|Imm32|Imm32S, Acc|Byte|Word|Dword|Qword } and, 2, 0x80, 0x4, 1, 0, W|Modrm|No_sSuf|No_ldSuf|IsLockable|HLEPrefixOk|Optimize, { Imm8|Imm16|Imm32|Imm32S, Reg8|Reg16|Reg32|Reg64|Byte|Word|Dword|Qword|Unspecified|BaseIndex } diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h index 4244ede..e0bd493 100644 --- a/opcodes/i386-tbl.h +++ b/opcodes/i386-tbl.h @@ -1729,7 +1729,7 @@ const insn_template i386_optab[] = 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 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, 0, 0, 0, 0, 0, 0 }, + 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, 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, 0, 0, 0, 0, 0 } }, |