diff options
Diffstat (limited to 'src/cmd/compile/internal/gc/ssa.go')
| -rw-r--r-- | src/cmd/compile/internal/gc/ssa.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go index b7dc511fd3..00587aa3bf 100644 --- a/src/cmd/compile/internal/gc/ssa.go +++ b/src/cmd/compile/internal/gc/ssa.go @@ -16,6 +16,7 @@ import ( "cmd/compile/internal/ssa" "cmd/compile/internal/types" "cmd/internal/obj" + "cmd/internal/obj/x86" "cmd/internal/objabi" "cmd/internal/src" "cmd/internal/sys" @@ -104,6 +105,20 @@ func initssaconfig() { writeBarrier = sysvar("writeBarrier") // struct { bool; ... } zerobaseSym = sysvar("zerobase") + // asm funcs with special ABI + if thearch.LinkArch.Name == "amd64" { + GCWriteBarrierReg = map[int16]*obj.LSym{ + x86.REG_AX: sysvar("gcWriteBarrier"), + x86.REG_CX: sysvar("gcWriteBarrierCX"), + x86.REG_DX: sysvar("gcWriteBarrierDX"), + x86.REG_BX: sysvar("gcWriteBarrierBX"), + x86.REG_BP: sysvar("gcWriteBarrierBP"), + x86.REG_SI: sysvar("gcWriteBarrierSI"), + x86.REG_R8: sysvar("gcWriteBarrierR8"), + x86.REG_R9: sysvar("gcWriteBarrierR9"), + } + } + if thearch.LinkArch.Family == sys.Wasm { BoundsCheckFunc[ssa.BoundsIndex] = sysvar("goPanicIndex") BoundsCheckFunc[ssa.BoundsIndexU] = sysvar("goPanicIndexU") |