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slight improvement to setpeq opcode

This commit is contained in:
ptitSeb 2013-12-30 09:01:58 +01:00
parent 54983d1975
commit 3ff594093d
1 changed files with 11 additions and 9 deletions
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20
core/rec-ARM/arm_dyna.cpp
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@ -1385,6 +1385,7 @@ void ngen_compile_opcode(RuntimeBlockInfo* block, shil_opcode* op, bool staging,
case shop_shld:
//printf("shld: r%d r%d r%d\n",reg.mapg(op->rd),reg.mapg(op->rs1),reg.mapg(op->rs2));
{
verify(!op->rs2.is_imm());
TST(reg.mapg(op->rs2), 0x80000000); //sign
B(4*4-8, CC_NE); // Label1
AND(r2, reg.mapg(op->rs2), 0x1F);
@ -1404,6 +1405,7 @@ void ngen_compile_opcode(RuntimeBlockInfo* block, shil_opcode* op, bool staging,
case shop_shad:
//printf("shad: r%d r%d r%d\n",reg.mapg(op->rd),reg.mapg(op->rs1),reg.mapg(op->rs2));
{
verify(!op->rs2.is_imm());
TST(reg.mapg(op->rs2), 0x80000000); //sign
B(6*4-8, CC_NE); // Label1
AND(r2, reg.mapg(op->rs2), 0x1F);
@ -1495,16 +1497,16 @@ void ngen_compile_opcode(RuntimeBlockInfo* block, shil_opcode* op, bool staging,
case shop_setpeq:
{
EOR(reg.mapg(op->rd), reg.mapg(op->rd), reg.mapg(op->rd));
EOR(r1, reg.mapg(op->rs1), reg.mapg(op->rs2));
EOR(reg.mapg(op->rd), reg.mapg(op->rd), reg.mapg(op->rd));
TST(r1, 0xFF000000);
MOVW(reg.mapg(op->rd), 1, CC_EQ);
TST(r1, 0x00FF0000);
MOVW(reg.mapg(op->rd), 1, CC_EQ);
TST(r1, 0x0000FF00);
MOVW(reg.mapg(op->rd), 1, CC_EQ);
TST(r1, 0x000000FF);
// MOVW(reg.mapg(op->rd), 1, CC_EQ);
TST(r1, 0x00FF0000, CC_NE);
// MOVW(reg.mapg(op->rd), 1, CC_EQ);
TST(r1, 0x0000FF00, CC_NE);
// MOVW(reg.mapg(op->rd), 1, CC_EQ);
TST(r1, 0x000000FF, CC_NE);
MOVW(reg.mapg(op->rd), 1, CC_EQ);
}
break;
@ -1741,7 +1743,7 @@ void ngen_compile_opcode(RuntimeBlockInfo* block, shil_opcode* op, bool staging,
_r2=q1;
}
#if !defined(TARGET_PANDORA)
#if 1//!defined(TARGET_PANDORA)
//VFP
eFSReg fs2=_r2==q0?f0:f4;
@ -1771,7 +1773,7 @@ void ngen_compile_opcode(RuntimeBlockInfo* block, shil_opcode* op, bool staging,
SUB(r0,r8,op->rd.reg_aofs());
}
#if !defined(TARGET_PANDORA)
#if 1//!defined(TARGET_PANDORA)
//f0,f1,f2,f3 : vin
//f4,f5,f6,f7 : out
//f8,f9,f10,f11 : mtx temp