aboutsummaryrefslogtreecommitdiff
path: root/opcodes
diff options
context:
space:
mode:
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog23
-rw-r--r--opcodes/i386-dis.c110
2 files changed, 116 insertions, 17 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index b112aae..d0806c4 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,26 @@
+2003-06-23 H.J. Lu <hongjiu.lu@intel.com>
+
+ * i386-dis.c (PNI_Fixup): New. Fix up "mwait" and "monitor" in
+ Intel Precott New Instructions.
+ (PREGRP27): New. Added for "addsubpd" and "addsubps".
+ (PREGRP28): New. Added for "haddpd" and "haddps".
+ (PREGRP29): New. Added for "hsubpd" and "hsubps".
+ (PREGRP30): New. Added for "movsldup" and "movddup".
+ (PREGRP31): New. Added for "movshdup" and "movhpd".
+ (PREGRP32): New. Added for "lddqu".
+ (dis386_twobyte): Use PREGRP30 to replace the "movlpX" entry.
+ Use PREGRP31 to replace the "movhpX" entry. Use PREGRP28 for
+ entry 0x7c. Use PREGRP29 for entry 0x7d. Use PREGRP27 for
+ entry 0xd0. Use PREGRP32 for entry 0xf0.
+ (twobyte_has_modrm): Updated.
+ (twobyte_uses_SSE_prefix): Likewise.
+ (grps): Use PNI_Fixup in the "sidtQ" entry.
+ (prefix_user_table): Add PREGRP27, PREGRP28, PREGRP29, PREGRP30,
+ PREGRP31 and PREGRP32.
+ (float_mem): Use "fisttp{l||l|}" in entry 1 in opcode 0xdb.
+ Use "fisttpll" in entry 1 in opcode 0xdd.
+ Use "fisttp" in entry 1 in opcode 0xdf.
+
2003-06-19 Christian Groessler <chris@groessler.org>
* z8k-dis.c (instr_data_s): Change tabl_index from long to int.
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index be78e83..7c03205 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -93,6 +93,7 @@ static void OP_XS PARAMS ((int, int));
static void OP_3DNowSuffix PARAMS ((int, int));
static void OP_SIMD_Suffix PARAMS ((int, int));
static void SIMD_Fixup PARAMS ((int, int));
+static void PNI_Fixup PARAMS ((int, int));
static void BadOp PARAMS ((void));
struct dis_private {
@@ -417,6 +418,12 @@ fetch_data (info, addr)
#define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0
#define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0
#define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0
+#define PREGRP27 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 27, NULL, 0
+#define PREGRP28 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 28, NULL, 0
+#define PREGRP29 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 29, NULL, 0
+#define PREGRP30 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 30, NULL, 0
+#define PREGRP31 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 31, NULL, 0
+#define PREGRP32 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 32, NULL, 0
#define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0
@@ -776,11 +783,11 @@ static const struct dis386 dis386_twobyte[] = {
/* 10 */
{ PREGRP8 },
{ PREGRP9 },
- { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */
+ { PREGRP30 },
{ "movlpX", EX, XM, SIMD_Fixup, 'h' },
{ "unpcklpX", XM, EX, XX },
{ "unpckhpX", XM, EX, XX },
- { "movhpX", XM, EX, SIMD_Fixup, 'l' },
+ { PREGRP31 },
{ "movhpX", EX, XM, SIMD_Fixup, 'l' },
/* 18 */
{ GRP14 },
@@ -895,8 +902,8 @@ static const struct dis386 dis386_twobyte[] = {
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
- { "(bad)", XX, XX, XX },
- { "(bad)", XX, XX, XX },
+ { PREGRP28 },
+ { PREGRP29 },
{ PREGRP23 },
{ PREGRP20 },
/* 80 */
@@ -990,7 +997,7 @@ static const struct dis386 dis386_twobyte[] = {
{ "bswap", RMeSI, XX, XX },
{ "bswap", RMeDI, XX, XX },
/* d0 */
- { "(bad)", XX, XX, XX },
+ { PREGRP27 },
{ "psrlw", MX, EM, XX },
{ "psrld", MX, EM, XX },
{ "psrlq", MX, EM, XX },
@@ -1026,7 +1033,7 @@ static const struct dis386 dis386_twobyte[] = {
{ "pmaxsw", MX, EM, XX },
{ "pxor", MX, EM, XX },
/* f0 */
- { "(bad)", XX, XX, XX },
+ { PREGRP32 },
{ "psllw", MX, EM, XX },
{ "pslld", MX, EM, XX },
{ "psllq", MX, EM, XX },
@@ -1078,15 +1085,15 @@ static const unsigned char twobyte_has_modrm[256] = {
/* 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 */
- /* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1, /* 7f */
+ /* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1, /* 7f */
/* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
/* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
/* a0 */ 0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* af */
/* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */
/* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
- /* d0 */ 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
+ /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
/* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */
- /* f0 */ 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */
+ /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */
/* ------------------------------- */
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
};
@@ -1095,21 +1102,21 @@ static const unsigned char twobyte_uses_SSE_prefix[256] = {
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* ------------------------------- */
/* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
- /* 10 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
+ /* 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 */
/* 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 */
- /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1, /* 7f */
+ /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1, /* 7f */
/* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
/* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
/* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
/* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
/* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
- /* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
+ /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
/* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
- /* f0 */ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */
+ /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */
/* ------------------------------- */
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
};
@@ -1349,7 +1356,7 @@ static const struct dis386 grps[][8] = {
/* GRP7 */
{
{ "sgdtQ", M, XX, XX },
- { "sidtQ", M, XX, XX },
+ { "sidtQ", PNI_Fixup, 0, XX, XX },
{ "lgdtQ", M, XX, XX },
{ "lidtQ", M, XX, XX },
{ "smswQ", Ev, XX, XX },
@@ -1638,6 +1645,48 @@ static const struct dis386 prefix_user_table[][4] = {
{ "punpcklqdq", XM, EX, XX },
{ "(bad)", XM, EX, XX },
},
+ /* PREGRP27 */
+ {
+ { "(bad)", MX, EX, XX },
+ { "(bad)", XM, EX, XX },
+ { "addsubpd", XM, EX, XX },
+ { "addsubps", XM, EX, XX },
+ },
+ /* PREGRP28 */
+ {
+ { "(bad)", MX, EX, XX },
+ { "(bad)", XM, EX, XX },
+ { "haddpd", XM, EX, XX },
+ { "haddps", XM, EX, XX },
+ },
+ /* PREGRP29 */
+ {
+ { "(bad)", MX, EX, XX },
+ { "(bad)", XM, EX, XX },
+ { "hsubpd", XM, EX, XX },
+ { "hsubps", XM, EX, XX },
+ },
+ /* PREGRP30 */
+ {
+ { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */
+ { "movsldup", XM, EX, XX },
+ { "movlpd", XM, EX, XX },
+ { "movddup", XM, EX, XX },
+ },
+ /* PREGRP31 */
+ {
+ { "movhpX", XM, EX, SIMD_Fixup, 'l' },
+ { "movshdup", XM, EX, XX },
+ { "movhpd", XM, EX, XX },
+ { "(bad)", XM, EX, XX },
+ },
+ /* PREGRP32 */
+ {
+ { "(bad)", XM, EX, XX },
+ { "(bad)", XM, EX, XX },
+ { "(bad)", XM, EX, XX },
+ { "lddqu", XM, M, XX },
+ },
};
static const struct dis386 x86_64_table[][2] = {
@@ -2294,7 +2343,7 @@ static const char *float_mem[] = {
"fidivr{l||l|}",
/* db */
"fild{l||l|}",
- "(bad)",
+ "fisttp{l||l|}",
"fist{l||l|}",
"fistp{l||l|}",
"(bad)",
@@ -2312,7 +2361,7 @@ static const char *float_mem[] = {
"fdivr{l||l|}",
/* dd */
"fld{l||l|}",
- "(bad)",
+ "fisttpll",
"fst{l||l|}",
"fstp{l||l|}",
"frstor",
@@ -2330,7 +2379,7 @@ static const char *float_mem[] = {
"fidivr",
/* df */
"fild",
- "(bad)",
+ "fisttp",
"fist",
"fistp",
"fbld",
@@ -4138,6 +4187,33 @@ SIMD_Fixup (extrachar, sizeflag)
}
static void
+PNI_Fixup (extrachar, sizeflag)
+ int extrachar ATTRIBUTE_UNUSED;
+ int sizeflag ATTRIBUTE_UNUSED;
+{
+ if (mod == 3 && reg == 1)
+ {
+ char *p = obuf + strlen (obuf);
+
+ /* Override "sidt". */
+ if (rm)
+ {
+ /* mwait %eax,%ecx */
+ strcpy (p - 4, "mwait %eax,%ecx");
+ }
+ else
+ {
+ /* monitor %eax,%ecx,%edx" */
+ strcpy (p - 4, "monitor %eax,%ecx,%edx");
+ }
+
+ codep++;
+ }
+ else
+ OP_E (0, sizeflag);
+}
+
+static void
BadOp (void)
{
/* Throw away prefixes and 1st. opcode byte. */
generated by cgit v1.1 at 2025-02-19 05:14:46 +0000