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gas/

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2006-02-27  H.J. Lu <hongjiu.lu@intel.com>

	* 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 <hongjiu.lu@intel.com>

	* 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 <hongjiu.lu@intel.com>

	* i386.h (i386_optab): Support Intel Merom New Instructions.

opcodes/

2006-02-27  H.J. Lu <hongjiu.lu@intel.com>

	* 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.
This commit is contained in:
H.J. Lu
2006-02-27 15:35:37 +00:00
parent 22edb2f164
commit 331d2d0d9c
13 changed files with 473 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

95
opcodes/i386-dis.c
View File

@@ -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 _("<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;