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svp compiler: added more ops

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@365 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-02-28 22:32:22 +00:00
parent d274c33b6b
commit bad5731da9
4 changed files with 319 additions and 118 deletions
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20
Pico/carthw/svp/gen_arm.c
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@ -12,6 +12,9 @@
#define A_COND_AL 0xe
#define A_COND_EQ 0x0
#define A_COND_NE 0x1
#define A_COND_MI 0x4
#define A_COND_PL 0x5
/* addressing mode 1 */
#define A_AM1_LSL 0
@ -43,6 +46,7 @@
#define EOP_BIC_IMM(rd,rn,ror2,imm8) EOP_C_DOP_IMM(A_COND_AL,A_OP_BIC,0,rn,rd,ror2,imm8)
#define EOP_AND_IMM(rd,rn,ror2,imm8) EOP_C_DOP_IMM(A_COND_AL,A_OP_AND,0,rn,rd,ror2,imm8)
#define EOP_SUB_IMM(rd,rn,ror2,imm8) EOP_C_DOP_IMM(A_COND_AL,A_OP_SUB,0,rn,rd,ror2,imm8)
#define EOP_TST_IMM( rn,ror2,imm8) EOP_C_DOP_IMM(A_COND_AL,A_OP_TST,1,rn, 0,ror2,imm8)
#define EOP_MOV_REG(s, rd,shift_imm,shift_op,rm) EOP_C_DOP_REG(A_COND_AL,A_OP_MOV,s, 0,rd,shift_imm,shift_op,rm)
#define EOP_ORR_REG(s,rn,rd,shift_imm,shift_op,rm) EOP_C_DOP_REG(A_COND_AL,A_OP_ORR,s,rn,rd,shift_imm,shift_op,rm)
@ -113,24 +117,30 @@
#define EOP_MUL(rd,rm,rs) EOP_C_MUL(A_COND_AL,0,rd,rs,rm) // note: rd != rm
#define EOP_C_MRS(cond,rd) \
EMIT(((cond)<<28) | 0x014f0000 | ((rd)<<12))
static void emit_mov_const(int d, unsigned int val)
#define EOP_MRS(rd) EOP_C_MRS(A_COND_AL,rd)
static void emit_mov_const(int cond, int d, unsigned int val)
{
int need_or = 0;
if (val & 0xff000000) {
EOP_MOV_IMM(d, 8/2, (val>>24)&0xff);
EOP_C_DOP_IMM(cond, A_OP_MOV, 0, 0, d, 8/2, (val>>24)&0xff);
need_or = 1;
}
if (val & 0x00ff0000) {
EOP_C_DOP_IMM(A_COND_AL,need_or ? A_OP_ORR : A_OP_MOV, 0, need_or ? d : 0, d, 16/2, (val>>16)&0xff);
EOP_C_DOP_IMM(cond, need_or ? A_OP_ORR : A_OP_MOV, 0, need_or ? d : 0, d, 16/2, (val>>16)&0xff);
need_or = 1;
}
if (val & 0x0000ff00) {
EOP_C_DOP_IMM(A_COND_AL,need_or ? A_OP_ORR : A_OP_MOV, 0, need_or ? d : 0, d, 24/2, (val>>8)&0xff);
EOP_C_DOP_IMM(cond, need_or ? A_OP_ORR : A_OP_MOV, 0, need_or ? d : 0, d, 24/2, (val>>8)&0xff);
need_or = 1;
}
if ((val &0x000000ff) || !need_or)
EOP_C_DOP_IMM(A_COND_AL,need_or ? A_OP_ORR : A_OP_MOV, 0, need_or ? d : 0, d, 0, val&0xff);
EOP_C_DOP_IMM(cond, need_or ? A_OP_ORR : A_OP_MOV, 0, need_or ? d : 0, d, 0, val&0xff);
}
/*
@ -176,7 +186,7 @@ static void emit_block_epilogue(int icount)
static void emit_pc_dump(int pc)
{
emit_mov_const(3, pc<<16);
emit_mov_const(A_COND_AL, 3, pc<<16);
EOP_STR_IMM(3,7,0x400+6*4); // str r3, [r7, #(0x400+6*8)]
}