From 331d2d0d9ce1220133395ba0172b371aec077c16 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 27 Feb 2006 15:35:37 +0000 Subject: gas/ 2006-02-27 H.J. Lu * gas/config/tc-i386.c (output_insn): Support Intel Merom New Instructions. * gas/config/tc-i386.h (CpuMNI): New. (CpuUnknownFlags): Add CpuMNI. gas/testsuite/ 2006-02-27 H.J. Lu * gas/i386/i386.exp: Add merom and x86-64-merom. * gas/i386/merom.d: New file. * gas/i386/merom.s: Likewise. * gas/i386/x86-64-merom.d: Likewise. * gas/i386/x86-64-merom.s: Likewise. include/opcode/ 2006-02-27 H.J. Lu * i386.h (i386_optab): Support Intel Merom New Instructions. opcodes/ 2006-02-27 H.J. Lu * i386-dis.c (IS_3BYTE_OPCODE): New for 3-byte opcodes used by Intel Merom New Instructions. (THREE_BYTE_0): Likewise. (THREE_BYTE_1): Likewise. (three_byte_table): Likewise. (dis386_twobyte): Use THREE_BYTE_0 for entry 0x38. Use THREE_BYTE_1 for entry 0x3a. (twobyte_has_modrm): Updated. (twobyte_uses_SSE_prefix): Likewise. (print_insn): Handle 3-byte opcodes used by Intel Merom New Instructions. --- opcodes/ChangeLog | 14 ++++++++ opcodes/i386-dis.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++--- 2 files changed, 104 insertions(+), 5 deletions(-) (limited to 'opcodes') diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index d97df75..a457dd4 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,17 @@ +2006-02-27 H.J. Lu + + * i386-dis.c (IS_3BYTE_OPCODE): New for 3-byte opcodes used by + Intel Merom New Instructions. + (THREE_BYTE_0): Likewise. + (THREE_BYTE_1): Likewise. + (three_byte_table): Likewise. + (dis386_twobyte): Use THREE_BYTE_0 for entry 0x38. Use + THREE_BYTE_1 for entry 0x3a. + (twobyte_has_modrm): Updated. + (twobyte_uses_SSE_prefix): Likewise. + (print_insn): Handle 3-byte opcodes used by Intel Merom New + Instructions. + 2006-02-24 David S. Miller * sparc-dis.c (v9_priv_reg_names): Add "gl" entry. diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 4fb487d..06a842e 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -388,6 +388,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr) #define USE_GROUPS 2 #define USE_PREFIX_USER_TABLE 3 #define X86_64_SPECIAL 4 +#define IS_3BYTE_OPCODE 5 #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0 @@ -453,6 +454,9 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr) #define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0 +#define THREE_BYTE_0 NULL, NULL, IS_3BYTE_OPCODE, NULL, 0, NULL, 0 +#define THREE_BYTE_1 NULL, NULL, IS_3BYTE_OPCODE, NULL, 1, NULL, 0 + typedef void (*op_rtn) (int bytemode, int sizeflag); struct dis386 { @@ -858,9 +862,9 @@ static const struct dis386 dis386_twobyte[] = { { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, /* 38 */ + { THREE_BYTE_0 }, { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, + { THREE_BYTE_1 }, { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, @@ -1113,7 +1117,7 @@ static const unsigned char twobyte_has_modrm[256] = { /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */ /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ + /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */ /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */ /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */ @@ -1136,7 +1140,7 @@ static const unsigned char twobyte_uses_SSE_prefix[256] = { /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ + /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */ /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */ @@ -1749,6 +1753,79 @@ static const struct dis386 x86_64_table[][2] = { }, }; +static const struct dis386 three_byte_table[][32] = { + /* THREE_BYTE_0 */ + { + { "pshufb", MX, EM, XX }, + { "phaddw", MX, EM, XX }, + { "phaddd", MX, EM, XX }, + { "phaddsw", MX, EM, XX }, + { "pmaddubsw", MX, EM, XX }, + { "phsubw", MX, EM, XX }, + { "phsubd", MX, EM, XX }, + { "phsubsw", MX, EM, XX }, + { "psignb", MX, EM, XX }, + { "psignw", MX, EM, XX }, + { "psignd", MX, EM, XX }, + { "pmulhrsw", MX, EM, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "pabsb", MX, EM, XX }, + { "pabsw", MX, EM, XX }, + { "pabsd", MX, EM, XX }, + { "(bad)", XX, XX, XX } + }, + /* THREE_BYTE_1 */ + { + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "palignr", MX, EM, Ib }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX }, + { "(bad)", XX, XX, XX } + }, +}; + #define INTERNAL_DISASSEMBLER_ERROR _("") static void @@ -2206,7 +2283,15 @@ print_insn (bfd_vma pc, disassemble_info *info) } } - if (need_modrm) + if (dp->name == NULL && dp->bytemode1 == IS_3BYTE_OPCODE) + { + FETCH_DATA (info, codep + 2); + dp = &three_byte_table[dp->bytemode2][*codep++]; + mod = (*codep >> 6) & 3; + reg = (*codep >> 3) & 7; + rm = *codep & 7; + } + else if (need_modrm) { FETCH_DATA (info, codep + 1); mod = (*codep >> 6) & 3; -- cgit v1.1