target/i386: Fix FPU tag word for FSTP/FXCH

[PATCH 0/2] target/i386: Fix FPU tag word for FSTP/FXCH

Simon Scherer posted 2 patches 3 weeks, 3 days ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20260902120419.212855-1-scherer.simon89@gmail.com

Maintainers: Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>

target/i386/tcg/fpu_helper.c | 3 +++
1 file changed, 3 insertions(+)

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[PATCH 0/2] target/i386: Fix FPU tag word for FSTP/FXCH

Posted by Simon Scherer 3 weeks, 3 days ago

Following up on a similar tag word bug in FXTRACT
(https://patchew.org/QEMU/20260901085839.138094-1-scherer.simon89@gmail.com/)
two more instructions sharing the same bug of not updating
the tag word turned up:

Patch 1 fixes FSTP ST(i)
Patch 2 fixes FXCH ST(i)

Resolves: https://gitlab.com/qemu-project/qemu/-/work_items/4400

Simon Scherer (2):
  target/i386: Update FPU tag word for FSTP
  target/i386: Update FPU tag word for FXCH

 target/i386/tcg/fpu_helper.c | 3 +++
 1 file changed, 3 insertions(+)

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2.53.0