[Sbcl-commits] master: Adjust SETcc instruction encoding on x86-64.

[stassats <sta...@us...>]

The branch "master" has been updated in SBCL:
       via  9c510b74eca61bbcc2014dc2b1d02049dff50508 (commit)
      from  01cc13c8dab7399f6d7ef10e01add5edbbc03e31 (commit)

- Log -----------------------------------------------------------------
commit 9c510b74eca61bbcc2014dc2b1d02049dff50508
Author: Stas Boukarev <sta...@gm...>
Date:   Sat Sep 7 09:48:35 2013 +0400

    Adjust SETcc instruction encoding on x86-64.
    
    Avoid emitting REX for legacy registers.
---
 src/compiler/x86-64/insts.lisp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/compiler/x86-64/insts.lisp b/src/compiler/x86-64/insts.lisp
index 442c485..554cb52 100644
--- a/src/compiler/x86-64/insts.lisp
+++ b/src/compiler/x86-64/insts.lisp
@@ -2752,7 +2752,7 @@
 (define-instruction set (segment dst cond)
   (:printer cond-set ())
   (:emitter
-   (maybe-emit-rex-for-ea segment dst nil)
+   (maybe-emit-rex-for-ea segment dst nil :operand-size :byte)
    (emit-byte segment #b00001111)
    (emit-byte segment (dpb (conditional-opcode cond) (byte 4 0) #b10010000))
    (emit-ea segment dst #b000)))

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