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arm: Remove pacbti in cortex-m85
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Minimal support gcc for cortex-m85 only
Temporary remove pacbti in cortex-m85

Signed-off-by: Thao Luong <thao.luong.uw@renesas.com>
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@thaoluonguw @stephanosio
thaoluonguw authored and stephanosio committed Apr 2, 2024
1 parent 17bd2bd commit a5dfaf6
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Showing 2 changed files with 1 addition and 5 deletions.
3 changes: 1 addition & 2 deletions gcc/config/arm/arm-cpus.in
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Expand Up @@ -1641,8 +1641,7 @@ end cpu cortex-m55
begin cpu cortex-m85
cname cortexm85
tune flags LDSCHED
architecture armv8.1-m.main+pacbti+mve.fp+fp.dp
option nopacbti remove pacbti
architecture armv8.1-m.main+mve.fp+fp.dp
option nomve.fp remove mve_float
option nomve remove mve mve_float
option nofp remove ALL_FP mve_float
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3 changes: 0 additions & 3 deletions gcc/doc/invoke.texi
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Expand Up @@ -21246,9 +21246,6 @@ The following extension options are common to the listed CPUs:
@item +nodsp
Disable the DSP instructions on @samp{cortex-m33}, @samp{cortex-m35p} and @samp{cortex-m85}. Also disable the M-Profile Vector Extension (MVE) integer and single precision floating-point instructions on @samp{cortex-m85}.

@item +nopacbti
Disable the Pointer Authentication and Branch Target Identification Extension
on @samp{cortex-m85}.
@item +nomve
Disable the M-Profile Vector Extension (MVE) integer and single precision
floating-point instructions on @samp{cortex-m85}.
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