Fixed for 2.34 by
commit 3f9aad111cea2f25877d0a6b404956769c14faee
Author: Jan Beulich <[email protected]>
Date: Fri Sep 20 10:18:15 2019 +0200
x86-64: fix handling of PUSH/POP of segment register
Commit 21df382b91 ("x86: fold SReg{2,3}") went too far: Folding 64-bit
PUSH/POP templates into non-64-bit ones isn't correct, due to the
different operand widths, and hence suffixes permitted. Restore the
separate templates.
Add tests of PUSH/POP with q suffix and %fs/%gs operands to the
testsuite. While doing so also add PUSHF/POPF ones _without_ suffix.
and on 2.33 branch by
commit 20057c8c5e67ffdfb1a7b6a4ef3d337ea27663d1
Author: Jan Beulich <[email protected]>
Date: Fri Sep 20 10:18:15 2019 +0200
x86-64: fix handling of PUSH/POP of segment register
Commit 21df382b91 ("x86: fold SReg{2,3}") went too far: Folding 64-bit
PUSH/POP templates into non-64-bit ones isn't correct, due to the
different operand widths, and hence suffixes permitted. Restore the
separate templates.
Add tests of PUSH/POP with q suffix and %fs/%gs operands to the
testsuite. While doing so also add PUSHF/POPF ones _without_ suffix.
(cherry picked from commit 3f9aad111cea2f25877d0a6b404956769c14faee)
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https://bugs.launchpad.net/bugs/1843394
Title:
FTBFS in Eoan - Error: operand type mismatch for `push' - gcc 9.2.1 /
binutils 2.32.51.20190905-0ubuntu1
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