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Add heaps to the Cretonne IL.

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Add preamble syntax for declaring static and dynamic heaps, and update
the langref section on heaps. Add IR support for heap references.

Remove the heap_load and heap_store as discussed in #144. We will use
heap_addr along with native load and store instructions in their place.

Add the heap_addr instruction and document its bounds checking
semantics.
This commit is contained in:
Jakob Stoklund Olesen
2017-08-18 12:51:54 -07:00
parent a9238eda7a
commit 3b71a27632
17 changed files with 405 additions and 83 deletions
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cranelift/docs/example.cton
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@@ -13,7 +13,7 @@ ebb1(v1: i32, v2: i32):
ebb2(v5: i32):
v6 = imul_imm v5, 4
v7 = iadd v1, v6
v8 = heap_load.f32 v7 ; array[i]
v8 = load.f32 v7 ; array[i]
v9 = fpromote.f64 v8
v10 = stack_load.f64 ss1
v11 = fadd v9, v10