gas/
* NEWS: Mention 'rep ret' too. gas/testsuite/ * gas/i386/rep-ret.d: New file. * gas/i386/rep-ret.s: New file. * gas/i386/i386.exp: Add the new test. opcodes/ * i386-opc.tbl: Add RepPrefixOk to ret. * i386-tbl.h: Regenerate.
This commit is contained in:
Roland McGrath
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352b3eda56
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fe13e45b9a
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@ -1,5 +1,7 @@
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2012-06-22 Roland McGrath <mcgrathr@google.com>
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* NEWS: Mention 'rep ret' too.
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* config/tc-i386.c (parse_insn): Don't complain about REP prefix
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when the template has opcode_modifier.repprefixok set.
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* NEWS: Mention the change.
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2
gas/NEWS
2
gas/NEWS
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@ -13,7 +13,7 @@
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* Add support for the Adapteva EPIPHANY architecture.
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* For x86, allow 'rep bsf' or 'rep bsr' syntax.
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* For x86, allow 'rep bsf', 'rep bsr', and 'rep ret' syntax.
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Changes in 2.22:
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@ -1,5 +1,9 @@
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2012-06-22 Roland McGrath <mcgrathr@google.com>
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* gas/i386/rep-ret.d: New file.
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* gas/i386/rep-ret.s: New file.
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* gas/i386/i386.exp: Add the new test.
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* gas/i386/rep-bsf.d: New file.
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* gas/i386/rep-bsf.s: New file.
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* gas/i386/i386.exp: Add the new test.
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@ -265,6 +265,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]]
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# Miscellaneous tests.
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run_dump_test "pr12589-1"
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run_dump_test "rep-bsf"
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run_dump_test "rep-ret"
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set ASFLAGS "$old_ASFLAGS"
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}
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@ -0,0 +1,9 @@
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#objdump: -d
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#name: rep prefix on ret
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.*: +file format .*
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Disassembly of section .text:
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0+000 <foo>:
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\s*[0-9a-f]+:\s+f3 c3\s+repz ret\s*
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@ -0,0 +1,2 @@
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.text
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foo: rep ret
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@ -1,5 +1,8 @@
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2012-06-22 Roland McGrath <mcgrathr@google.com>
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* i386-opc.tbl: Add RepPrefixOk to ret.
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* i386-tbl.h: Regenerate.
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* i386-opc.h (RepPrefixOk): New enum constant.
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(i386_opcode_modifier): New bitfield 'repprefixok'.
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* i386-gen.c (opcode_modifiers): Add RepPrefixOk.
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@ -340,10 +340,10 @@ jmp, 1, 0xff, 0x5, 1, 0, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf, { Dword|
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ljmp, 2, 0xea, None, 1, CpuNo64, JumpInterSegment|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16, Imm16|Imm32 }
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ljmp, 1, 0xff, 0x5, 1, 0, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|JumpAbsolute }
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ret, 0, 0xc3, None, 1, CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
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ret, 1, 0xc2, None, 1, CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16 }
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ret, 0, 0xc3, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { 0 }
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ret, 1, 0xc2, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64, { Imm16 }
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ret, 0, 0xc3, None, 1, CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf|RepPrefixOk, { 0 }
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ret, 1, 0xc2, None, 1, CpuNo64, DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf|RepPrefixOk, { Imm16 }
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ret, 0, 0xc3, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64|RepPrefixOk, { 0 }
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ret, 1, 0xc2, None, 1, Cpu64, DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64|RepPrefixOk, { Imm16 }
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lret, 0, 0xcb, None, 1, 0, DefaultSize|No_bSuf|No_sSuf|No_ldSuf, { 0 }
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lret, 1, 0xca, None, 1, 0, DefaultSize|No_bSuf|No_sSuf|No_ldSuf, { Imm16 }
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// Intel Syntax.
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@ -2707,7 +2707,7 @@ const insn_template i386_optab[] =
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 } },
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0,
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0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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{ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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@ -2717,7 +2717,7 @@ const insn_template i386_optab[] =
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 } },
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0,
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0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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{ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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@ -2727,7 +2727,7 @@ const insn_template i386_optab[] =
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 } },
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0,
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1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
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1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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{ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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@ -2737,7 +2737,7 @@ const insn_template i386_optab[] =
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 } },
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0,
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1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
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1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
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{ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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