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wasmtime/cranelift/docs/heapex-sm64.clif
Dan Gohman a20c852148 Support heaps with no offset-guard pages.
Also, say "guard-offset pages" rather than just "guard pages" to describe the
region of a heap which is never accessible and which exists to support
optimizations for heap accesses with offsets.

And, introduce a `Uimm64` immediate type, and make all heap fields use
`Uimm64` instead of `Imm64` since they really are unsigned.
2018-12-11 15:40:24 -05:00

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test verifier
function %add_members(i32, i64 vmctx) -> f32 baldrdash {
gv0 = vmctx
gv1 = load.i64 notrap aligned gv0+64
heap0 = static gv1, min 0x1000, bound 0x1_0000_0000, offset_guard 0x8000_0000
ebb0(v0: i32, v5: i64):
v1 = heap_addr.i64 heap0, v0, 1
v2 = load.f32 v1+16
v3 = load.f32 v1+20
v4 = fadd v2, v3
return v4
}