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Bug 9972 – [asm] missing REX.B when addressing some byte registers

Status: RESOLVED
Resolution: DUPLICATE
Severity: normal
Priority: P2
Component: dmd
Product: D
Version: D2
Platform: x86_64
OS: All
Creation time: 2013-04-21T03:50:00Z
Last change time: 2013-04-21T04:02:07Z
Assigned to: nobody
Creator: code

Comments

Comment #0 by code — 2013-04-21T03:50:01Z

cat > bug.d << CODE void bug() { asm { naked; mov DH, 0; mov SIL, 0; } } CODE dmd -c -m64 bug.d ---- The `mov SIL, 0` is missing a REX.B prefix thus is actually `mov DH, 0`.

Comment #1 by code — 2013-04-21T04:02:07Z

*** This issue has been marked as a duplicate of issue 9965 ***