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tcg/optimize: Remember garbage high bits for 32-bit ops
authorRichard Henderson <rth@twiddle.net>
Thu, 22 May 2014 18:14:10 +0000 (11:14 -0700)
committerRichard Henderson <rth@twiddle.net>
Wed, 28 May 2014 16:33:56 +0000 (09:33 -0700)
commit24666baf1f0a0be454d7c64497dca6d9becc3f40
tree483e0effddf60aaa26253899d8f1af6baf0a21bctree | snapshot
parenta62f6f5600730accba9842a8180c12bc34fcaf48commit | diff
tcg/optimize: Remember garbage high bits for 32-bit ops

For a 64-bit host, the high bits of a register after a 32-bit operation
are undefined.  Adjust the temps mask for all 32-bit ops to reflect that.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
tcg/optimize.c diff | blob | blame | history
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