On 22/8/23 06:25, Richard Henderson wrote:
From: Aaron Lindsay <[email protected]>

An instruction is a 'combined' Pointer Authentication instruction
if it does something in addition to PAC -- for instance, branching
to or loading an address from the authenticated pointer.

Knowing whether a PAC operation is 'combined' is needed to
implement FEAT_FPACCOMBINE.

Signed-off-by: Aaron Lindsay <[email protected]>
Reviewed-by: Richard Henderson <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
---
  target/arm/tcg/helper-a64.h    |  4 ++
  target/arm/tcg/pauth_helper.c  | 71 +++++++++++++++++++++++++++-------
  target/arm/tcg/translate-a64.c | 12 +++---
  3 files changed, 68 insertions(+), 19 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>


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