* Another minor tc-arm.c patch
@ 1999-10-27 19:56 Jeffrey A Law
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From: Jeffrey A Law @ 1999-10-27 19:56 UTC (permalink / raw)
To: binutils
This patch adds a "variants" field to the thumb opcode structure and
initializes it for all the thumb opcodes. This change makes the
thumb opcode table work more like the arm opcode table and gives us
the potential to handle thumb instructions that are specific to a
particular ISA in the future.
This work was done by Don Lindsay.
* config/tc-arm.c (thumb_opcode): Add "variants" field.
(tinsns): Initialize variants field.
Index: tc-arm.c
===================================================================
RCS file: /cvs/binutils/binutils/gas/config/tc-arm.c,v
retrieving revision 1.23
diff -c -3 -p -r1.23 tc-arm.c
*** tc-arm.c 1999/10/27 22:52:35 1.23
--- tc-arm.c 1999/10/28 02:52:12
*************** struct thumb_opcode
*** 770,837 ****
CONST char * template; /* Basic string to match */
unsigned long value; /* Basic instruction code */
int size;
void (* parms) PARAMS ((char *)); /* Function to call to parse args
*/
};
static CONST struct thumb_opcode tinsns[] =
{
! {"adc", 0x4140, 2, do_t_arit},
! {"add", 0x0000, 2, do_t_add},
! {"and", 0x4000, 2, do_t_arit},
! {"asr", 0x0000, 2, do_t_asr},
! {"b", T_OPCODE_BRANCH, 2, do_t_branch12},
! {"beq", 0xd0fe, 2, do_t_branch9},
! {"bne", 0xd1fe, 2, do_t_branch9},
! {"bcs", 0xd2fe, 2, do_t_branch9},
! {"bhs", 0xd2fe, 2, do_t_branch9},
! {"bcc", 0xd3fe, 2, do_t_branch9},
! {"bul", 0xd3fe, 2, do_t_branch9},
! {"blo", 0xd3fe, 2, do_t_branch9},
! {"bmi", 0xd4fe, 2, do_t_branch9},
! {"bpl", 0xd5fe, 2, do_t_branch9},
! {"bvs", 0xd6fe, 2, do_t_branch9},
! {"bvc", 0xd7fe, 2, do_t_branch9},
! {"bhi", 0xd8fe, 2, do_t_branch9},
! {"bls", 0xd9fe, 2, do_t_branch9},
! {"bge", 0xdafe, 2, do_t_branch9},
! {"blt", 0xdbfe, 2, do_t_branch9},
! {"bgt", 0xdcfe, 2, do_t_branch9},
! {"ble", 0xddfe, 2, do_t_branch9},
! {"bic", 0x4380, 2, do_t_arit},
! {"bl", 0xf7fffffe, 4, do_t_branch23},
! {"bx", 0x4700, 2, do_t_bx},
! {"cmn", T_OPCODE_CMN, 2, do_t_arit},
! {"cmp", 0x0000, 2, do_t_compare},
! {"eor", 0x4040, 2, do_t_arit},
! {"ldmia", 0xc800, 2, do_t_ldmstm},
! {"ldr", 0x0000, 2, do_t_ldr},
! {"ldrb", 0x0000, 2, do_t_ldrb},
! {"ldrh", 0x0000, 2, do_t_ldrh},
! {"ldrsb", 0x5600, 2, do_t_lds},
! {"ldrsh", 0x5e00, 2, do_t_lds},
! {"ldsb", 0x5600, 2, do_t_lds},
! {"ldsh", 0x5e00, 2, do_t_lds},
! {"lsl", 0x0000, 2, do_t_lsl},
! {"lsr", 0x0000, 2, do_t_lsr},
! {"mov", 0x0000, 2, do_t_mov},
! {"mul", T_OPCODE_MUL, 2, do_t_arit},
! {"mvn", T_OPCODE_MVN, 2, do_t_arit},
! {"neg", T_OPCODE_NEG, 2, do_t_arit},
! {"orr", 0x4300, 2, do_t_arit},
! {"pop", 0xbc00, 2, do_t_push_pop},
! {"push", 0xb400, 2, do_t_push_pop},
! {"ror", 0x41c0, 2, do_t_arit},
! {"sbc", 0x4180, 2, do_t_arit},
! {"stmia", 0xc000, 2, do_t_ldmstm},
! {"str", 0x0000, 2, do_t_str},
! {"strb", 0x0000, 2, do_t_strb},
! {"strh", 0x0000, 2, do_t_strh},
! {"swi", 0xdf00, 2, do_t_swi},
! {"sub", 0x0000, 2, do_t_sub},
! {"tst", T_OPCODE_TST, 2, do_t_arit},
/* Pseudo ops: */
! {"adr", 0x0000, 2, do_t_adr},
! {"nop", 0x46C0, 2, do_t_nop}, /* mov r8,r8 */
};
struct reg_entry
--- 770,838 ----
CONST char * template; /* Basic string to match */
unsigned long value; /* Basic instruction code */
int size;
+ unsigned long variants; /* Which CPU variants this exists for
*/
void (* parms) PARAMS ((char *)); /* Function to call to parse args
*/
};
static CONST struct thumb_opcode tinsns[] =
{
! {"adc", 0x4140, 2, ARM_THUMB, do_t_arit},
! {"add", 0x0000, 2, ARM_THUMB, do_t_add},
! {"and", 0x4000, 2, ARM_THUMB, do_t_arit},
! {"asr", 0x0000, 2, ARM_THUMB, do_t_asr},
! {"b", T_OPCODE_BRANCH, 2, ARM_THUMB, do_t_branch12},
! {"beq", 0xd0fe, 2, ARM_THUMB, do_t_branch9},
! {"bne", 0xd1fe, 2, ARM_THUMB, do_t_branch9},
! {"bcs", 0xd2fe, 2, ARM_THUMB, do_t_branch9},
! {"bhs", 0xd2fe, 2, ARM_THUMB, do_t_branch9},
! {"bcc", 0xd3fe, 2, ARM_THUMB, do_t_branch9},
! {"bul", 0xd3fe, 2, ARM_THUMB, do_t_branch9},
! {"blo", 0xd3fe, 2, ARM_THUMB, do_t_branch9},
! {"bmi", 0xd4fe, 2, ARM_THUMB, do_t_branch9},
! {"bpl", 0xd5fe, 2, ARM_THUMB, do_t_branch9},
! {"bvs", 0xd6fe, 2, ARM_THUMB, do_t_branch9},
! {"bvc", 0xd7fe, 2, ARM_THUMB, do_t_branch9},
! {"bhi", 0xd8fe, 2, ARM_THUMB, do_t_branch9},
! {"bls", 0xd9fe, 2, ARM_THUMB, do_t_branch9},
! {"bge", 0xdafe, 2, ARM_THUMB, do_t_branch9},
! {"blt", 0xdbfe, 2, ARM_THUMB, do_t_branch9},
! {"bgt", 0xdcfe, 2, ARM_THUMB, do_t_branch9},
! {"ble", 0xddfe, 2, ARM_THUMB, do_t_branch9},
! {"bic", 0x4380, 2, ARM_THUMB, do_t_arit},
! {"bl", 0xf7fffffe, 4, ARM_THUMB, do_t_branch23},
! {"bx", 0x4700, 2, ARM_THUMB, do_t_bx},
! {"cmn", T_OPCODE_CMN, 2, ARM_THUMB, do_t_arit},
! {"cmp", 0x0000, 2, ARM_THUMB, do_t_compare},
! {"eor", 0x4040, 2, ARM_THUMB, do_t_arit},
! {"ldmia", 0xc800, 2, ARM_THUMB, do_t_ldmstm},
! {"ldr", 0x0000, 2, ARM_THUMB, do_t_ldr},
! {"ldrb", 0x0000, 2, ARM_THUMB, do_t_ldrb},
! {"ldrh", 0x0000, 2, ARM_THUMB, do_t_ldrh},
! {"ldrsb", 0x5600, 2, ARM_THUMB, do_t_lds},
! {"ldrsh", 0x5e00, 2, ARM_THUMB, do_t_lds},
! {"ldsb", 0x5600, 2, ARM_THUMB, do_t_lds},
! {"ldsh", 0x5e00, 2, ARM_THUMB, do_t_lds},
! {"lsl", 0x0000, 2, ARM_THUMB, do_t_lsl},
! {"lsr", 0x0000, 2, ARM_THUMB, do_t_lsr},
! {"mov", 0x0000, 2, ARM_THUMB, do_t_mov},
! {"mul", T_OPCODE_MUL, 2, ARM_THUMB, do_t_arit},
! {"mvn", T_OPCODE_MVN, 2, ARM_THUMB, do_t_arit},
! {"neg", T_OPCODE_NEG, 2, ARM_THUMB, do_t_arit},
! {"orr", 0x4300, 2, ARM_THUMB, do_t_arit},
! {"pop", 0xbc00, 2, ARM_THUMB, do_t_push_pop},
! {"push", 0xb400, 2, ARM_THUMB, do_t_push_pop},
! {"ror", 0x41c0, 2, ARM_THUMB, do_t_arit},
! {"sbc", 0x4180, 2, ARM_THUMB, do_t_arit},
! {"stmia", 0xc000, 2, ARM_THUMB, do_t_ldmstm},
! {"str", 0x0000, 2, ARM_THUMB, do_t_str},
! {"strb", 0x0000, 2, ARM_THUMB, do_t_strb},
! {"strh", 0x0000, 2, ARM_THUMB, do_t_strh},
! {"swi", 0xdf00, 2, ARM_THUMB, do_t_swi},
! {"sub", 0x0000, 2, ARM_THUMB, do_t_sub},
! {"tst", T_OPCODE_TST, 2, ARM_THUMB, do_t_arit},
/* Pseudo ops: */
! {"adr", 0x0000, 2, ARM_THUMB, do_t_adr},
! {"nop", 0x46C0, 2, ARM_THUMB, do_t_nop}, /* mov
r8,r8 */
};
struct reg_entry
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