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Simplify jump table instructions and add missing conversion;

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This makes non-legalized jump table instructions operate on operands with
pointer-sized types. This means we need to extend smaller types into the
pointer-sized operand, when the two don't match.
This commit is contained in:
Benjamin Bouvier
2019-08-01 17:05:38 +02:00
parent f0d7438728
commit 627ba24b59
5 changed files with 27 additions and 27 deletions
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3
cranelift/filetests/filetests/isa/x86/legalize-br-table.clif
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@@ -16,8 +16,9 @@ ebb0(v0: i64):
; nextln: brif uge $oob, ebb2
; nextln: fallthrough $(inb=$EBB)
; check: $inb:
; nextln: $(final_idx=$V) = uextend.i64 $idx
; nextln: $(base=$V) = jump_table_base.i64 jt0
; nextln: $(rel_addr=$V) = jump_table_entry.i64 $idx, $base, 4, jt0
; nextln: $(rel_addr=$V) = jump_table_entry $final_idx, $base, 4, jt0
; nextln: $(addr=$V) = iadd $base, $rel_addr
; nextln: indirect_jump_table_br $addr, jt0