On 2/28/24 01:11, Paolo Bonzini wrote:
When testing the sign bit or equality to zero of a partial register, it
is useful to use a single TSTEQ or TSTNE operation. It can also be used
to test the parity flag, using bit 0 of the population count.
Do not do this for 32- and 64-bit values however, to avoid
large immediates.
Signed-off-by: Paolo Bonzini<pbonz...@redhat.com>
---
target/i386/tcg/translate.c | 28 ++++++++++++++++++++--------
target/i386/tcg/emit.c.inc | 5 ++---
2 files changed, 22 insertions(+), 11 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
r~
