fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-23 17:40:11 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

implement min and max

Browse source
This commit is contained in:
Zack Rusin 2007-10-18 08:12:48 -04:00
parent 3ae767dd07
commit e9a623d6a6
3 changed files with 110 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

102
src/mesa/pipe/llvm/instructions.cpp
View file

@ -413,3 +413,105 @@ llvm::Value * Instructions::lg2(llvm::Value *in)
callFLog(z), callFLog(w)), const_vec);
}
llvm::Value * Instructions::min(llvm::Value *in1, llvm::Value *in2)
{
ExtractElementInst *x1 = new ExtractElementInst(in1, unsigned(0),
name("x1"),
m_block);
ExtractElementInst *y1 = new ExtractElementInst(in1, unsigned(1),
name("y1"),
m_block);
ExtractElementInst *z1 = new ExtractElementInst(in1, unsigned(2),
name("z1"),
m_block);
ExtractElementInst *w1 = new ExtractElementInst(in1, unsigned(3),
name("w1"),
m_block);
ExtractElementInst *x2 = new ExtractElementInst(in2, unsigned(0),
name("x2"),
m_block);
ExtractElementInst *y2 = new ExtractElementInst(in2, unsigned(1),
name("y2"),
m_block);
ExtractElementInst *z2 = new ExtractElementInst(in2, unsigned(2),
name("z2"),
m_block);
ExtractElementInst *w2 = new ExtractElementInst(in2, unsigned(3),
name("w2"),
m_block);
FCmpInst *xcmp = new FCmpInst(FCmpInst::FCMP_OLT, x1, x2,
name("xcmp"), m_block);
SelectInst *selx = new SelectInst(xcmp, x1, x2,
name("selx"), m_block);
FCmpInst *ycmp = new FCmpInst(FCmpInst::FCMP_OLT, y1, y2,
name("ycmp"), m_block);
SelectInst *sely = new SelectInst(ycmp, y1, y2,
name("sely"), m_block);
FCmpInst *zcmp = new FCmpInst(FCmpInst::FCMP_OLT, z1, z2,
name("zcmp"), m_block);
SelectInst *selz = new SelectInst(zcmp, z1, z2,
name("selz"), m_block);
FCmpInst *wcmp = new FCmpInst(FCmpInst::FCMP_OLT, w1, w2,
name("wcmp"), m_block);
SelectInst *selw = new SelectInst(wcmp, w1, w2,
name("selw"), m_block);
return vectorFromVals(selx, sely, selz, selw);
}
llvm::Value * Instructions::max(llvm::Value *in1, llvm::Value *in2)
{
ExtractElementInst *x1 = new ExtractElementInst(in1, unsigned(0),
name("x1"),
m_block);
ExtractElementInst *y1 = new ExtractElementInst(in1, unsigned(1),
name("y1"),
m_block);
ExtractElementInst *z1 = new ExtractElementInst(in1, unsigned(2),
name("z1"),
m_block);
ExtractElementInst *w1 = new ExtractElementInst(in1, unsigned(3),
name("w1"),
m_block);
ExtractElementInst *x2 = new ExtractElementInst(in2, unsigned(0),
name("x2"),
m_block);
ExtractElementInst *y2 = new ExtractElementInst(in2, unsigned(1),
name("y2"),
m_block);
ExtractElementInst *z2 = new ExtractElementInst(in2, unsigned(2),
name("z2"),
m_block);
ExtractElementInst *w2 = new ExtractElementInst(in2, unsigned(3),
name("w2"),
m_block);
FCmpInst *xcmp = new FCmpInst(FCmpInst::FCMP_OGT, x1, x2,
name("xcmp"), m_block);
SelectInst *selx = new SelectInst(xcmp, x1, x2,
name("selx"), m_block);
FCmpInst *ycmp = new FCmpInst(FCmpInst::FCMP_OGT, y1, y2,
name("ycmp"), m_block);
SelectInst *sely = new SelectInst(ycmp, y1, y2,
name("sely"), m_block);
FCmpInst *zcmp = new FCmpInst(FCmpInst::FCMP_OGT, z1, z2,
name("zcmp"), m_block);
SelectInst *selz = new SelectInst(zcmp, z1, z2,
name("selz"), m_block);
FCmpInst *wcmp = new FCmpInst(FCmpInst::FCMP_OGT, w1, w2,
name("wcmp"), m_block);
SelectInst *selw = new SelectInst(wcmp, w1, w2,
name("selw"), m_block);
return vectorFromVals(selx, sely, selz, selw);
}

2
src/mesa/pipe/llvm/instructions.h
View file

@ -26,6 +26,8 @@ public:
llvm::Value *lg2(llvm::Value *in);
llvm::Value *madd(llvm::Value *in1, llvm::Value *in2,
llvm::Value *in2);
llvm::Value *min(llvm::Value *in1, llvm::Value *in2);
llvm::Value *max(llvm::Value *in1, llvm::Value *in2);
llvm::Value *mul(llvm::Value *in1, llvm::Value *in2);
llvm::Value *pow(llvm::Value *in1, llvm::Value *in2);
llvm::Value *rcp(llvm::Value *in);

8
src/mesa/pipe/llvm/llvmtgsi.cpp
View file

@ -213,9 +213,13 @@ translate_instruction(llvm::Module *module,
out = instr->dst(inputs[0], inputs[1]);
}
break;
case TGSI_OPCODE_MIN:
case TGSI_OPCODE_MIN: {
out = instr->min(inputs[0], inputs[1]);
}
break;
case TGSI_OPCODE_MAX:
case TGSI_OPCODE_MAX: {
out = instr->max(inputs[0], inputs[1]);
}
break;
case TGSI_OPCODE_SLT:
break;