OpenE2K
/
binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

X 

i386 PIII SIMD support, remove ReverseRegRegmem kludge
tidy a few things in i386 intel mode disassembly
This commit is contained in:
Alan Modra 1999-05-13 06:00:14 +00:00
parent 3f4438abfd
commit 3afcee8ec9
1 changed files with 16 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
gas/config/tc-i386.h
View File

@ -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