diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/config.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/config.go | 61 |
1 files changed, 36 insertions, 25 deletions
diff --git a/src/cmd/compile/internal/ssa/config.go b/src/cmd/compile/internal/ssa/config.go index e952c73d9b..9921b51cc7 100644 --- a/src/cmd/compile/internal/ssa/config.go +++ b/src/cmd/compile/internal/ssa/config.go @@ -5,6 +5,8 @@ package ssa import ( + "cmd/compile/internal/abi" + "cmd/compile/internal/base" "cmd/compile/internal/ir" "cmd/compile/internal/types" "cmd/internal/obj" @@ -20,30 +22,33 @@ type Config struct { PtrSize int64 // 4 or 8; copy of cmd/internal/sys.Arch.PtrSize RegSize int64 // 4 or 8; copy of cmd/internal/sys.Arch.RegSize Types Types - lowerBlock blockRewriter // lowering function - lowerValue valueRewriter // lowering function - splitLoad valueRewriter // function for splitting merged load ops; only used on some architectures - registers []Register // machine registers - gpRegMask regMask // general purpose integer register mask - fpRegMask regMask // floating point register mask - fp32RegMask regMask // floating point register mask - fp64RegMask regMask // floating point register mask - specialRegMask regMask // special register mask - GCRegMap []*Register // garbage collector register map, by GC register index - FPReg int8 // register number of frame pointer, -1 if not used - LinkReg int8 // register number of link register if it is a general purpose register, -1 if not used - hasGReg bool // has hardware g register - ctxt *obj.Link // Generic arch information - optimize bool // Do optimization - noDuffDevice bool // Don't use Duff's device - useSSE bool // Use SSE for non-float operations - useAvg bool // Use optimizations that need Avg* operations - useHmul bool // Use optimizations that need Hmul* operations - SoftFloat bool // - Race bool // race detector enabled - NeedsFpScratch bool // No direct move between GP and FP register sets - BigEndian bool // - UseFMA bool // Use hardware FMA operation + lowerBlock blockRewriter // lowering function + lowerValue valueRewriter // lowering function + splitLoad valueRewriter // function for splitting merged load ops; only used on some architectures + registers []Register // machine registers + gpRegMask regMask // general purpose integer register mask + fpRegMask regMask // floating point register mask + fp32RegMask regMask // floating point register mask + fp64RegMask regMask // floating point register mask + specialRegMask regMask // special register mask + intParamRegs []int8 // register numbers of integer param (in/out) registers + floatParamRegs []int8 // register numbers of floating param (in/out) registers + ABI1 *abi.ABIConfig // "ABIInternal" under development // TODO change comment when this becomes current + ABI0 *abi.ABIConfig + GCRegMap []*Register // garbage collector register map, by GC register index + FPReg int8 // register number of frame pointer, -1 if not used + LinkReg int8 // register number of link register if it is a general purpose register, -1 if not used + hasGReg bool // has hardware g register + ctxt *obj.Link // Generic arch information + optimize bool // Do optimization + noDuffDevice bool // Don't use Duff's device + useSSE bool // Use SSE for non-float operations + useAvg bool // Use optimizations that need Avg* operations + useHmul bool // Use optimizations that need Hmul* operations + SoftFloat bool // + Race bool // race detector enabled + BigEndian bool // + UseFMA bool // Use hardware FMA operation } type ( @@ -194,9 +199,12 @@ func NewConfig(arch string, types Types, ctxt *obj.Link, optimize bool) *Config c.registers = registersAMD64[:] c.gpRegMask = gpRegMaskAMD64 c.fpRegMask = fpRegMaskAMD64 + c.specialRegMask = specialRegMaskAMD64 + c.intParamRegs = paramIntRegAMD64 + c.floatParamRegs = paramFloatRegAMD64 c.FPReg = framepointerRegAMD64 c.LinkReg = linkRegAMD64 - c.hasGReg = false + c.hasGReg = base.Flag.ABIWrap case "386": c.PtrSize = 4 c.RegSize = 4 @@ -325,6 +333,9 @@ func NewConfig(arch string, types Types, ctxt *obj.Link, optimize bool) *Config c.useSSE = true c.UseFMA = true + c.ABI0 = abi.NewABIConfig(0, 0, ctxt.FixedFrameSize()) + c.ABI1 = abi.NewABIConfig(len(c.intParamRegs), len(c.floatParamRegs), ctxt.FixedFrameSize()) + // On Plan 9, floating point operations are not allowed in note handler. if objabi.GOOS == "plan9" { // Don't use FMA on Plan 9 |