On Thu, Feb 13, 2025 at 02:26:10PM +0000, Peter Maydell wrote: > Date: Thu, 13 Feb 2025 14:26:10 +0000 > From: Peter Maydell <peter.mayd...@linaro.org> > Subject: [PATCH 1/4] target/i386: Detect flush-to-zero after rounding > X-Mailer: git-send-email 2.43.0 > > The Intel SDM section 10.2.3.3 on the MXCSR.FTZ bit says that we > flush outputs to zero when we detect underflow, which is after > rounding. Set the detect_ftz flag accordingly. > > This allows us to enable the test in fma.c which checks this > behaviour. > > Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> > Reviewed-by: Richard Henderson <richard.hender...@linaro.org> > --- > target/i386/tcg/fpu_helper.c | 8 ++++---- > tests/tcg/x86_64/fma.c | 5 ----- > 2 files changed, 4 insertions(+), 9 deletions(-)
Reviewed-by: Zhao Liu <zhao1....@intel.com>
