On 10/28/24 15:18, Paolo Bonzini wrote:
Most uses of CC_OP_DYNAMIC are for CMP/JB/JE or similar sequences.
We can optimize many of them to avoid computation of the flags.
This eliminates both TCG ops to set up the new cc_op, and helper
instructions because evaluating just ZF is much cheaper.
Signed-off-by: Paolo Bonzini<pbonz...@redhat.com>
---
target/i386/helper.h | 1 +
target/i386/tcg/cc_helper.c | 13 +++++++++++++
target/i386/tcg/translate.c | 10 +++++++---
3 files changed, 21 insertions(+), 3 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
r~
