* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+#ifdef PCSX
+#include "../gte_arm.h"
+#include "../gte_neon.h"
+#include "pcnt.h"
+#endif
+
extern int cycle_count;
extern int last_count;
extern int pcaddr;
output_w32(0xe15000b0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
}
}
+static void emit_ldrd(int offset, int rs, int rt)
+{
+ assert(offset>-256&&offset<256);
+ assem_debug("ldrd %s,%s+%d\n",regname[rt],regname[rs],offset);
+ if(offset>=0) {
+ output_w32(0xe1c000d0|rd_rn_rm(rt,rs,0)|((offset<<4)&0xf00)|(offset&0xf));
+ }else{
+ output_w32(0xe14000d0|rd_rn_rm(rt,rs,0)|(((-offset)<<4)&0xf00)|((-offset)&0xf));
+ }
+}
void emit_readword(int addr, int rt)
{
u_int offset = addr-(u_int)&dynarec_local;
output_w32(0x72800000|rd_rn_rm(15,15,0));
}
-// Save registers before function call
-void save_regs(u_int reglist)
+static void save_regs_all(u_int reglist)
{
- reglist&=0x100f; // only save the caller-save registers, r0-r3, r12
+ int i;
if(!reglist) return;
assem_debug("stmia fp,{");
- if(reglist&1) assem_debug("r0, ");
- if(reglist&2) assem_debug("r1, ");
- if(reglist&4) assem_debug("r2, ");
- if(reglist&8) assem_debug("r3, ");
- if(reglist&0x1000) assem_debug("r12");
+ for(i=0;i<16;i++)
+ if(reglist&(1<<i))
+ assem_debug("r%d,",i);
assem_debug("}\n");
output_w32(0xe88b0000|reglist);
}
-// Restore registers after function call
-void restore_regs(u_int reglist)
+static void restore_regs_all(u_int reglist)
{
- reglist&=0x100f; // only restore the caller-save registers, r0-r3, r12
+ int i;
if(!reglist) return;
assem_debug("ldmia fp,{");
- if(reglist&1) assem_debug("r0, ");
- if(reglist&2) assem_debug("r1, ");
- if(reglist&4) assem_debug("r2, ");
- if(reglist&8) assem_debug("r3, ");
- if(reglist&0x1000) assem_debug("r12");
+ for(i=0;i<16;i++)
+ if(reglist&(1<<i))
+ assem_debug("r%d,",i);
assem_debug("}\n");
output_w32(0xe89b0000|reglist);
}
+// Save registers before function call
+static void save_regs(u_int reglist)
+{
+ reglist&=0x100f; // only save the caller-save registers, r0-r3, r12
+ save_regs_all(reglist);
+}
+// Restore registers after function call
+static void restore_regs(u_int reglist)
+{
+ reglist&=0x100f; // only restore the caller-save registers, r0-r3, r12
+ restore_regs_all(reglist);
+}
// Write back consts using r14 so we don't disturb the other registers
void wb_consts(signed char i_regmap[],uint64_t i_is32,u_int i_dirty,int i)
}
}
-void c2op_assemble(int i,struct regstat *i_regs)
+static void c2op_prologue(u_int op,u_int reglist)
+{
+ save_regs_all(reglist);
+#ifdef PCNT
+ emit_movimm(op,0);
+ emit_call((int)pcnt_gte_start);
+#endif
+ emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs
+}
+
+static void c2op_epilogue(u_int op,u_int reglist)
+{
+#ifdef PCNT
+ emit_movimm(op,0);
+ emit_call((int)pcnt_gte_end);
+#endif
+ restore_regs_all(reglist);
+}
+
+static void c2op_assemble(int i,struct regstat *i_regs)
{
signed char temp=get_reg(i_regs->regmap,-1);
u_int c2op=source[i]&0x3f;
u_int hr,reglist=0;
- int need_flags;
+ int need_flags,need_ir;
for(hr=0;hr<HOST_REGS;hr++) {
if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
}
- if(i==0||itype[i-1]!=C2OP)
- save_regs(reglist);
if (gte_handlers[c2op]!=NULL) {
- int cc=get_reg(i_regs->regmap,CCREG);
- emit_movimm(source[i],1); // opcode
- if (cc>=0&>e_cycletab[c2op])
- emit_addimm(cc,gte_cycletab[c2op]/2,cc); // XXX: could just adjust ccadj?
- emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs
- emit_writeword(1,(int)&psxRegs.code);
need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works
- assem_debug("gte unneeded %016llx, need_flags %d\n",gte_unneeded[i+1],need_flags);
+ need_ir=(gte_unneeded[i+1]&0xe00)!=0xe00;
+ assem_debug("gte unneeded %016llx, need_flags %d, need_ir %d\n",
+ gte_unneeded[i+1],need_flags,need_ir);
#ifdef ARMv5_ONLY
// let's take more risk here
need_flags=need_flags&>e_reads_flags;
#endif
- emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]));
- }
+ switch(c2op) {
+ case GTE_MVMVA: {
+ int shift = (source[i] >> 19) & 1;
+ int v = (source[i] >> 15) & 3;
+ int cv = (source[i] >> 13) & 3;
+ int mx = (source[i] >> 17) & 3;
+ int lm = (source[i] >> 10) & 1;
+ reglist&=0x10ff; // +{r4-r7}
+ c2op_prologue(c2op,reglist);
+ /* r4,r5 = VXYZ(v) packed; r6 = &MX11(mx); r7 = &CV1(cv) */
+ if(v<3)
+ emit_ldrd(v*8,0,4);
+ else {
+ emit_movzwl_indexed(9*4,0,4); // gteIR
+ emit_movzwl_indexed(10*4,0,6);
+ emit_movzwl_indexed(11*4,0,5);
+ emit_orrshl_imm(6,16,4);
+ }
+ if(mx<3)
+ emit_addimm(0,32*4+mx*8*4,6);
+ else
+ emit_readword((int)&zeromem_ptr,6);
+ if(cv<3)
+ emit_addimm(0,32*4+(cv*8+5)*4,7);
+ else
+ emit_readword((int)&zeromem_ptr,7);
+#ifdef __ARM_NEON__
+ emit_movimm(source[i],1); // opcode
+ emit_call((int)gteMVMVA_part_neon);
+ if(need_flags) {
+ emit_movimm(lm,1);
+ emit_call((int)gteMACtoIR_flags_neon);
+ }
+#else
+ if(cv==3&&shift)
+ emit_call((int)gteMVMVA_part_cv3sh12_arm);
+ else {
+ emit_movimm(shift,1);
+ emit_call((int)(need_flags?gteMVMVA_part_arm:gteMVMVA_part_nf_arm));
+ }
+ if(need_flags||need_ir) {
+ if(need_flags)
+ emit_call((int)(lm?gteMACtoIR_lm1:gteMACtoIR_lm0));
+ else
+ emit_call((int)(lm?gteMACtoIR_lm1_nf:gteMACtoIR_lm0_nf)); // lm0 borked
+ }
+#endif
+ break;
+ }
- if(i>=slen-1||itype[i+1]!=C2OP)
- restore_regs(reglist);
+ default:
+ reglist&=0x100f;
+ c2op_prologue(c2op,reglist);
+ emit_movimm(source[i],1); // opcode
+ emit_writeword(1,(int)&psxRegs.code);
+ emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op]));
+ break;
+ }
+ c2op_epilogue(c2op,reglist);
+ }
}
void cop1_unusable(int i,struct regstat *i_regs)
notaz.gp2x.de / pcsx_rearmed.git / blobdiff