Richard Henderson
7221f058a6
tcg-ia64: Fix some register usage issues.
(1) The output registers were not marked call-clobbered, even though they can be modified by called functions. (2) The thread pointer was not marked reserved. (3) R4-R6 are call-saved, but not saved by the prologue. Rather than save them, mark them reserved so that we don't use them. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Read the documentation in qemu-doc.html. Fabrice Bellard.
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