mbox series

[0/4,SPARC] Workarounds for UT699, UT700, and GR712RC errata

Message ID 20171120125003.22670-1-cederman@gaisler.com
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Series Workarounds for UT699, UT700, and GR712RC errata | expand

Message

Daniel Cederman Nov. 20, 2017, 12:49 p.m. UTC 
Hello,

This patch series adds workarounds for the newly discovered errata for UT699, UT700, and GR712RC. The errata and possible workarounds are described in the following documents available at http://www.gaisler.com/index.php/information/app-tech-notes:

GRLIB-TN-0010 - LEON3/FT AHB Deadlock After Sequence of Load and Atomic Instructions
GRLIB-TN-0011 - LEON3/FT AHB Lock Release during Atomic Operation
GRLIB-TN-0012 - GR712RC Incorrect Annulation of Floating-point Operation on Instruction Cache Parity Error
GRLIB-TN-0013 - GRFPU Floating-point controller: Missing FDIV/FSQRT Result

Daniel Cederman (4):
  [SPARC] Errata workaround for GRLIB-TN-0012
  [SPARC] Errata workaround for GRLIB-TN-0011
  [SPARC] Errata workaround for GRLIB-TN-0010
  [SPARC] Errata workaround for GRLIB-TN-0013

 gcc/config/sparc/sparc.c   | 205 ++++++++++++++++++++++++++++++++++++++++++++-
 gcc/config/sparc/sparc.md  |  24 ++++++
 gcc/config/sparc/sparc.opt |   4 +
 gcc/config/sparc/sync.md   |  18 +++-
 4 files changed, 245 insertions(+), 6 deletions(-)