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-rw-r--r--opcodes/i386-dis.c162
1 files changed, 104 insertions, 58 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 40f10ac..72e39a1 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -2362,6 +2362,44 @@ static const char *att_index16[] = {
"%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx"
};
+static const char **names_mm;
+static const char *intel_names_mm[] = {
+ "mm0", "mm1", "mm2", "mm3",
+ "mm4", "mm5", "mm6", "mm7"
+};
+static const char *att_names_mm[] = {
+ "%mm0", "%mm1", "%mm2", "%mm3",
+ "%mm4", "%mm5", "%mm6", "%mm7"
+};
+
+static const char **names_xmm;
+static const char *intel_names_xmm[] = {
+ "xmm0", "xmm1", "xmm2", "xmm3",
+ "xmm4", "xmm5", "xmm6", "xmm7",
+ "xmm8", "xmm9", "xmm10", "xmm11",
+ "xmm12", "xmm13", "xmm14", "xmm15"
+};
+static const char *att_names_xmm[] = {
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "%xmm12", "%xmm13", "%xmm14", "%xmm15"
+};
+
+static const char **names_ymm;
+static const char *intel_names_ymm[] = {
+ "ymm0", "ymm1", "ymm2", "ymm3",
+ "ymm4", "ymm5", "ymm6", "ymm7",
+ "ymm8", "ymm9", "ymm10", "ymm11",
+ "ymm12", "ymm13", "ymm14", "ymm15"
+};
+static const char *att_names_ymm[] = {
+ "%ymm0", "%ymm1", "%ymm2", "%ymm3",
+ "%ymm4", "%ymm5", "%ymm6", "%ymm7",
+ "%ymm8", "%ymm9", "%ymm10", "%ymm11",
+ "%ymm12", "%ymm13", "%ymm14", "%ymm15"
+};
+
static const struct dis386 reg_table[][8] = {
/* REG_80 */
{
@@ -12126,6 +12164,9 @@ print_insn (bfd_vma pc, disassemble_info *info)
names8 = intel_names8;
names8rex = intel_names8rex;
names_seg = intel_names_seg;
+ names_mm = intel_names_mm;
+ names_xmm = intel_names_xmm;
+ names_ymm = intel_names_ymm;
index64 = intel_index64;
index32 = intel_index32;
index16 = intel_index16;
@@ -12142,6 +12183,9 @@ print_insn (bfd_vma pc, disassemble_info *info)
names8 = att_names8;
names8rex = att_names8rex;
names_seg = att_names_seg;
+ names_mm = att_names_mm;
+ names_xmm = att_names_xmm;
+ names_ymm = att_names_ymm;
index64 = att_index64;
index32 = att_index32;
index16 = att_index16;
@@ -14625,53 +14669,56 @@ OP_R (int bytemode, int sizeflag)
static void
OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
{
+ int reg = modrm.reg;
+ const char **names;
+
used_prefixes |= (prefixes & PREFIX_DATA);
if (prefixes & PREFIX_DATA)
{
- int add;
+ names = names_xmm;
USED_REX (REX_R);
if (rex & REX_R)
- add = 8;
- else
- add = 0;
- sprintf (scratchbuf, "%%xmm%d", modrm.reg + add);
+ reg += 8;
}
else
- sprintf (scratchbuf, "%%mm%d", modrm.reg);
- oappend (scratchbuf + intel_syntax);
+ names = names_mm;
+ oappend (names[reg]);
}
static void
OP_XMM (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
{
- int add;
+ int reg = modrm.reg;
+ const char **names;
+
USED_REX (REX_R);
if (rex & REX_R)
- add = 8;
- else
- add = 0;
+ reg += 8;
if (need_vex && bytemode != xmm_mode)
{
switch (vex.length)
{
case 128:
- sprintf (scratchbuf, "%%xmm%d", modrm.reg + add);
+ names = names_xmm;
break;
case 256:
- sprintf (scratchbuf, "%%ymm%d", modrm.reg + add);
+ names = names_ymm;
break;
default:
abort ();
}
}
else
- sprintf (scratchbuf, "%%xmm%d", modrm.reg + add);
- oappend (scratchbuf + intel_syntax);
+ names = names_xmm;
+ oappend (names[reg]);
}
static void
OP_EM (int bytemode, int sizeflag)
{
+ int reg;
+ const char **names;
+
if (modrm.mod != 3)
{
if (intel_syntax
@@ -14691,20 +14738,17 @@ OP_EM (int bytemode, int sizeflag)
MODRM_CHECK;
codep++;
used_prefixes |= (prefixes & PREFIX_DATA);
+ reg = modrm.rm;
if (prefixes & PREFIX_DATA)
{
- int add;
-
+ names = names_xmm;
USED_REX (REX_B);
if (rex & REX_B)
- add = 8;
- else
- add = 0;
- sprintf (scratchbuf, "%%xmm%d", modrm.rm + add);
+ reg += 8;
}
else
- sprintf (scratchbuf, "%%mm%d", modrm.rm);
- oappend (scratchbuf + intel_syntax);
+ names = names_mm;
+ oappend (names[reg]);
}
/* cvt* are the only instructions in sse2 which have
@@ -14730,22 +14774,21 @@ OP_EMC (int bytemode, int sizeflag)
MODRM_CHECK;
codep++;
used_prefixes |= (prefixes & PREFIX_DATA);
- sprintf (scratchbuf, "%%mm%d", modrm.rm);
- oappend (scratchbuf + intel_syntax);
+ oappend (names_mm[modrm.rm]);
}
static void
OP_MXC (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
{
used_prefixes |= (prefixes & PREFIX_DATA);
- sprintf (scratchbuf, "%%mm%d", modrm.reg);
- oappend (scratchbuf + intel_syntax);
+ oappend (names_mm[modrm.reg]);
}
static void
OP_EX (int bytemode, int sizeflag)
{
- int add;
+ int reg;
+ const char **names;
/* Skip mod/rm byte. */
MODRM_CHECK;
@@ -14757,11 +14800,10 @@ OP_EX (int bytemode, int sizeflag)
return;
}
+ reg = modrm.rm;
USED_REX (REX_B);
if (rex & REX_B)
- add = 8;
- else
- add = 0;
+ reg += 8;
if ((sizeflag & SUFFIX_ALWAYS)
&& (bytemode == x_swap_mode
@@ -14776,18 +14818,18 @@ OP_EX (int bytemode, int sizeflag)
switch (vex.length)
{
case 128:
- sprintf (scratchbuf, "%%xmm%d", modrm.rm + add);
+ names = names_xmm;
break;
case 256:
- sprintf (scratchbuf, "%%ymm%d", modrm.rm + add);
+ names = names_ymm;
break;
default:
abort ();
}
}
else
- sprintf (scratchbuf, "%%xmm%d", modrm.rm + add);
- oappend (scratchbuf + intel_syntax);
+ names = names_xmm;
+ oappend (names[reg]);
}
static void
@@ -15086,23 +15128,25 @@ CMPXCHG8B_Fixup (int bytemode, int sizeflag)
static void
XMM_Fixup (int reg, int sizeflag ATTRIBUTE_UNUSED)
{
+ const char **names;
+
if (need_vex)
{
switch (vex.length)
{
case 128:
- sprintf (scratchbuf, "%%xmm%d", reg);
+ names = names_xmm;
break;
case 256:
- sprintf (scratchbuf, "%%ymm%d", reg);
+ names = names_ymm;
break;
default:
abort ();
}
}
else
- sprintf (scratchbuf, "%%xmm%d", reg);
- oappend (scratchbuf + intel_syntax);
+ names = names_xmm;
+ oappend (names[reg]);
}
static void
@@ -15198,6 +15242,8 @@ FXSAVE_Fixup (int bytemode, int sizeflag)
static void
OP_VEX (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
{
+ const char **names;
+
if (!need_vex)
abort ();
@@ -15217,7 +15263,7 @@ OP_VEX (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
return;
}
- sprintf (scratchbuf, "%%xmm%d", vex.register_specifier);
+ names = names_xmm;
break;
case 256:
switch (bytemode)
@@ -15230,13 +15276,13 @@ OP_VEX (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
return;
}
- sprintf (scratchbuf, "%%ymm%d", vex.register_specifier);
+ names = names_ymm;
break;
default:
abort ();
break;
}
- oappend (scratchbuf + intel_syntax);
+ oappend (names[vex.register_specifier]);
}
/* Get the VEX immediate byte without moving codep. */
@@ -15331,6 +15377,8 @@ get_vex_imm8 (int sizeflag, int opnum)
static void
OP_EX_VexReg (int bytemode, int sizeflag, int reg)
{
+ const char **names;
+
if (reg == -1 && modrm.mod != 3)
{
OP_E_memory (bytemode, sizeflag);
@@ -15352,15 +15400,15 @@ OP_EX_VexReg (int bytemode, int sizeflag, int reg)
switch (vex.length)
{
case 128:
- sprintf (scratchbuf, "%%xmm%d", reg);
+ names = names_xmm;
break;
case 256:
- sprintf (scratchbuf, "%%ymm%d", reg);
+ names = names_ymm;
break;
default:
abort ();
}
- oappend (scratchbuf + intel_syntax);
+ oappend (names[reg]);
}
static void
@@ -15368,9 +15416,11 @@ OP_Vex_2src (int bytemode, int sizeflag)
{
if (modrm.mod == 3)
{
+ int reg = modrm.rm;
USED_REX (REX_B);
- sprintf (scratchbuf, "%%xmm%d", rex & REX_B ? modrm.rm + 8 : modrm.rm);
- oappend (scratchbuf + intel_syntax);
+ if (rex & REX_B)
+ reg += 8;
+ oappend (names_xmm[reg]);
}
else
{
@@ -15395,10 +15445,7 @@ OP_Vex_2src_1 (int bytemode, int sizeflag)
}
if (vex.w)
- {
- sprintf (scratchbuf, "%%xmm%d", vex.register_specifier);
- oappend (scratchbuf + intel_syntax);
- }
+ oappend (names_xmm[vex.register_specifier]);
else
OP_Vex_2src (bytemode, sizeflag);
}
@@ -15409,10 +15456,7 @@ OP_Vex_2src_2 (int bytemode, int sizeflag)
if (vex.w)
OP_Vex_2src (bytemode, sizeflag);
else
- {
- sprintf (scratchbuf, "%%xmm%d", vex.register_specifier);
- oappend (scratchbuf + intel_syntax);
- }
+ oappend (names_xmm[vex.register_specifier]);
}
static void
@@ -15454,6 +15498,8 @@ static void
OP_REG_VexI4 (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
{
int reg;
+ const char **names;
+
FETCH_DATA (the_info, codep + 1);
reg = *codep++;
@@ -15470,15 +15516,15 @@ OP_REG_VexI4 (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
switch (vex.length)
{
case 128:
- sprintf (scratchbuf, "%%xmm%d", reg);
+ names = names_xmm;
break;
case 256:
- sprintf (scratchbuf, "%%ymm%d", reg);
+ names = names_ymm;
break;
default:
abort ();
}
- oappend (scratchbuf + intel_syntax);
+ oappend (names[reg]);
}
static void
generated by cgit v1.1 at 2024-12-14 12:50:33 +0000