diff options
author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2013-03-11 17:32:52 +0100 |
---|---|---|
committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2013-03-12 12:55:36 +0100 |
commit | 9db7e09cb4db2bbd11edf40c77d3becad649fc53 (patch) | |
tree | bce3bb216433ec0af5de87c9c444f3cb94c70c7a /src | |
parent | 175c185941944fbfde20c08d79e83041c26a7cd5 (diff) |
nvc0/ir/emit: fix emission of large address offsets
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp | 58 |
1 files changed, 50 insertions, 8 deletions
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp index 04081cf1177..64207d71aac 100644 --- a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp +++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_nvc0.cpp @@ -52,6 +52,8 @@ private: void emitPredicate(const Instruction *); void setAddress16(const ValueRef&); + void setAddress24(const ValueRef&); + void setAddressByFile(const ValueRef&); void setImmediate(const Instruction *, const int s); // needs op already set void setImmediateS8(const ValueRef&); void setSUConst16(const Instruction *, const int s); @@ -133,11 +135,11 @@ private: void emitVectorSubOp(const Instruction *); inline void defId(const ValueDef&, const int pos); + inline void defId(const Instruction *, int d, const int pos); inline void srcId(const ValueRef&, const int pos); inline void srcId(const ValueRef *, const int pos); inline void srcId(const Instruction *, int s, const int pos); - - inline void srcAddr32(const ValueRef&, const int pos); // address / 4 + inline void srcAddr32(const ValueRef&, int pos, int shr); inline bool isLIMM(const ValueRef&, DataType ty); }; @@ -164,9 +166,14 @@ void CodeEmitterNVC0::srcId(const Instruction *insn, int s, int pos) code[pos / 32] |= r << (pos % 32); } -void CodeEmitterNVC0::srcAddr32(const ValueRef& src, const int pos) +void +CodeEmitterNVC0::srcAddr32(const ValueRef& src, int pos, int shr) { - code[pos / 32] |= (SDATA(src).offset >> 2) << (pos % 32); + const uint32_t offset = SDATA(src).offset >> shr; + + code[pos / 32] |= offset << (pos % 32); + if (pos && (pos < 32)) + code[1] |= offset >> (32 - pos); } void CodeEmitterNVC0::defId(const ValueDef& def, const int pos) @@ -174,6 +181,12 @@ void CodeEmitterNVC0::defId(const ValueDef& def, const int pos) code[pos / 32] |= (def.get() ? DDATA(def).id : 63) << (pos % 32); } +void CodeEmitterNVC0::defId(const Instruction *insn, int d, int pos) +{ + int r = insn->defExists(d) ? DDATA(insn->def(d)).id : 63; + code[pos / 32] |= r << (pos % 32); +} + bool CodeEmitterNVC0::isLIMM(const ValueRef& ref, DataType ty) { const ImmediateValue *imm = ref.get()->asImm(); @@ -254,6 +267,24 @@ CodeEmitterNVC0::emitPredicate(const Instruction *i) } void +CodeEmitterNVC0::setAddressByFile(const ValueRef& src) +{ + switch (src.getFile()) { + case FILE_MEMORY_GLOBAL: + srcAddr32(src, 26, 0); + break; + case FILE_MEMORY_LOCAL: + case FILE_MEMORY_SHARED: + setAddress24(src); + break; + default: + assert(src.getFile() == FILE_MEMORY_CONST); + setAddress16(src); + break; + } +} + +void CodeEmitterNVC0::setAddress16(const ValueRef& src) { Symbol *sym = src.get()->asSym(); @@ -265,6 +296,17 @@ CodeEmitterNVC0::setAddress16(const ValueRef& src) } void +CodeEmitterNVC0::setAddress24(const ValueRef& src) +{ + Symbol *sym = src.get()->asSym(); + + assert(sym); + + code[0] |= (sym->reg.data.offset & 0x00003f) << 26; + code[1] |= (sym->reg.data.offset & 0xffffc0) >> 6; +} + +void CodeEmitterNVC0::setImmediate(const Instruction *i, const int s) { const ImmediateValue *imm = i->src(s).get()->asImm(); @@ -429,7 +471,7 @@ CodeEmitterNVC0::emitShortSrc2(const ValueRef &src) assert(!"unsupported file index for short op"); break; } - srcAddr32(src, 20); + srcAddr32(src, 20, 2); } else { srcId(src, 20); assert(src.getFile() == FILE_GPR); @@ -1585,7 +1627,7 @@ CodeEmitterNVC0::emitSTORE(const Instruction *i) code[0] = 0x00000005; code[1] = opc; - setAddress16(i->src(0)); + setAddressByFile(i->src(0)); srcId(i->src(1), 14); srcId(i->src(0).getIndirect(0), 20); if (uses64bitAddress(i)) @@ -1625,7 +1667,7 @@ CodeEmitterNVC0::emitLOAD(const Instruction *i) defId(i->def(0), 14); - setAddress16(i->src(0)); + setAddressByFile(i->src(0)); srcId(i->src(0).getIndirect(0), 20); if (uses64bitAddress(i)) code[1] |= 1 << 26; @@ -1813,7 +1855,7 @@ CodeEmitterNVC0::emitATOM(const Instruction *i) code[1] |= (offset & 0x1ffc0) >> 6; code[1] |= (offset & 0xe0000) << 6; } else { - srcAddr32(i->src(0), 26); + srcAddr32(i->src(0), 26, 0); } if (i->getIndirect(0, 0)) { srcId(i->getIndirect(0, 0), 20); |