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sysenter not being supported in 64-bit mode was overlooked in the previous cleanup rounds... Built and tested on i686-pc-linux-gnu and x86_64-unknown-linux-gnu. Jan gas/testsuite/ 2005-05-06 Jan Beulich <jbeulich@novell.com> * x86-64-inval.s: Also check sysenter. * x86-64-inval.l: Adjust. include/opcode/ 2005-05-06 Jan Beulich <jbeulich@novell.com> * i386.h (i386_optab): Invalidate sysenter for 64-bit mode. --- /home/jbeulich/src/binutils/mainline/2005-05-06/gas/testsuite/gas/i386/x86-64-inval.l 2004-11-23 10:15:20.000000000 +0100 +++ 2005-05-06/gas/testsuite/gas/i386/x86-64-inval.l 2005-05-06 11:46:07.734921528 +0200 @@ -48,6 +48,7 @@ .*:49: Error: .* .*:50: Error: .* .*:51: Error: .* +.*:52: Error: .* GAS LISTING .* @@ -102,3 +103,4 @@ GAS LISTING .* 49 [ ]*pushfl # can't have 32-bit stack operands 50 [ ]*popfl # can't have 32-bit stack operands 51 [ ]*retl # can't have 32-bit stack operands + 52 [ ]*sysenter # illegal --- /home/jbeulich/src/binutils/mainline/2005-05-06/gas/testsuite/gas/i386/x86-64-inval.s 2004-11-23 10:13:30.000000000 +0100 +++ 2005-05-06/gas/testsuite/gas/i386/x86-64-inval.s 2005-05-06 11:46:07.735921376 +0200 @@ -49,3 +49,4 @@ foo: jcxz foo # No prefix exists to sele pushfl # can't have 32-bit stack operands popfl # can't have 32-bit stack operands retl # can't have 32-bit stack operands + sysenter # illegal --- /home/jbeulich/src/binutils/mainline/2005-05-06/include/opcode/i386.h 2005-04-19 08:42:12.000000000 +0200 +++ 2005-05-06/include/opcode/i386.h 2005-05-06 11:46:07.741920464 +0200 @@ -912,7 +914,7 @@ static const template i386_optab[] = {"cmpxchg8b",1,0x0fc7, 1, Cpu586, q_Suf|Modrm, { LLongMem, 0, 0} }, /* Pentium II/Pentium Pro extensions. */ -{"sysenter",0, 0x0f34, X, Cpu686, NoSuf, { 0, 0, 0} }, +{"sysenter",0, 0x0f34, X, Cpu686|CpuNo64, NoSuf, { 0, 0, 0} }, {"sysexit", 0, 0x0f35, X, Cpu686, NoSuf, { 0, 0, 0} }, {"fxsave", 1, 0x0fae, 0, Cpu686, q_Suf|Modrm, { LLongMem, 0, 0} }, {"fxrstor", 1, 0x0fae, 1, Cpu686, q_Suf|Modrm, { LLongMem, 0, 0} },
Attachment:
binutils-mainline-x86_64-sysenter.patch
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