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authorAlan Modra <amodra@gmail.com>1999-05-13 06:00:14 +0000
committerAlan Modra <amodra@gmail.com>1999-05-13 06:00:14 +0000
commit3afcee8ec9f785e130cb4169a97d7f0dd99031d5 (patch)
tree58d2db6bfe7c1b6115439e8ff49f0ef8981981a0 /gas
parent3f4438abfd180700f3e27c2caf44bd38ee5ad7c9 (diff)
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i386 PIII SIMD support, remove ReverseRegRegmem kludge tidy a few things in i386 intel mode disassembly
Diffstat (limited to 'gas')
-rw-r--r--gas/config/tc-i386.h25
1 files changed, 16 insertions, 9 deletions
diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h
index d876d61..112e4bc 100644
--- a/gas/config/tc-i386.h
+++ b/gas/config/tc-i386.h
@@ -270,14 +270,21 @@ extern const char extra_symbol_chars[];
#define Acc 0x200000 /* Accumulator %al or %ax or %eax */
#define JumpAbsolute 0x400000
#define RegMMX 0x800000 /* MMX register */
-#define EsSeg 0x1000000 /* String insn operand with fixed es segment */
+#define RegXMM 0x1000000 /* XMM registers in PIII */
+#define EsSeg 0x2000000 /* String insn operand with fixed es segment */
+/* InvMem is for instructions with a modrm byte that only allow a
+ general register encoding in the i.tm.mode and i.tm.regmem fields,
+ eg. control reg moves. They really ought to support a memory form,
+ but don't, so we add an InvMem flag to the register operand to
+ indicate that it should be encoded in the i.tm.regmem field. */
+#define InvMem 0x4000000
#define Reg (Reg8|Reg16|Reg32) /* gen'l register */
#define WordReg (Reg16|Reg32)
#define ImplicitRegister (InOutPortReg|ShiftCount|Acc|FloatAcc)
#define Imm (Imm8|Imm8S|Imm16|Imm32) /* gen'l immediate */
#define Disp (Disp8|Disp16|Disp32) /* General displacement */
-#define AnyMem (Disp|BaseIndex) /* General memory */
+#define AnyMem (Disp|BaseIndex|InvMem) /* General memory */
/* The following aliases are defined because the opcode table
carefully specifies the allowed memory types for each instruction.
At the moment we can only tell a memory reference size by the
@@ -323,7 +330,6 @@ typedef struct
#define D 0x2 /* D = 0 if Reg --> Regmem;
D = 1 if Regmem --> Reg: MUST BE 0x2 */
#define Modrm 0x4
-#define ReverseRegRegmem 0x8 /* swap reg,regmem fields for 2 reg case */
#define FloatR 0x8 /* src/dest swap for floats: MUST BE 0x8 */
#define ShortForm 0x10 /* register is in low 3 bits of opcode */
#define FloatMF 0x20 /* FP insn memory format bit, sized by 0x4 */
@@ -341,12 +347,13 @@ typedef struct
#define No_wSuf 0x20000 /* w suffix on instruction illegal */
#define No_lSuf 0x40000 /* l suffix on instruction illegal */
#define No_sSuf 0x80000 /* s suffix on instruction illegal */
-#define FWait 0x100000 /* instruction needs FWAIT */
-#define IsString 0x200000 /* quick test for string instructions */
-#define regKludge 0x400000 /* fake an extra reg operand for clr, imul */
-#define IsPrefix 0x800000 /* opcode is a prefix */
-#define No_dSuf 0x1000000 /* d suffix on instruction illegal */
-#define No_xSuf 0x2000000 /* x suffix on instruction illegal */
+#define No_dSuf 0x100000 /* d suffix on instruction illegal */
+#define No_xSuf 0x200000 /* x suffix on instruction illegal */
+#define FWait 0x400000 /* instruction needs FWAIT */
+#define IsString 0x800000 /* quick test for string instructions */
+#define regKludge 0x1000000 /* fake an extra reg operand for clr, imul */
+#define IsPrefix 0x2000000 /* opcode is a prefix */
+#define ImmExt 0x4000000 /* instruction has extension in 8 bit imm */
#define Ugh 0x80000000 /* deprecated fp insn, gets a warning */
/* operand_types[i] describes the type of operand i. This is made