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Last minute fix 

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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20151201' into staging

Last minute fix

# gpg: Signature made Tue 01 Dec 2015 22:37:25 GMT using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"

* remotes/rth/tags/pull-tcg-20151201:
  tcg: Increase the highwater reservation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-12-02 10:16:53 +00:00
parent 8d3a5d9b0f b17a6d3390
commit 9d7b969ea6
1 changed files with 5 additions and 1 deletions
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6
tcg/tcg.c
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@ -388,7 +388,11 @@ void tcg_prologue_init(TCGContext *s)
/* Compute a high-water mark, at which we voluntarily flush the buffer
and start over. The size here is arbitrary, significantly larger
than we expect the code generation for any one opcode to require. */
s->code_gen_highwater = s->code_gen_buffer + (total_size - 1024);
/* ??? We currently have no good estimate for, or checks in,
tcg_out_tb_finalize. If there are quite a lot of guest memory ops,
the number of out-of-line fragments could be quite high. In the
short-term, increase the highwater buffer. */
s->code_gen_highwater = s->code_gen_buffer + (total_size - 64*1024);
tcg_register_jit(s->code_gen_buffer, total_size);