[PATCH 0/2] xtensa: don't link with libgcc

[Max Filippov]

Hello,

this series removes xtensa kernel dependency on the libgcc by providing
assembly sources for optimized compiler support functions and using
generic implementations for the rest.

Max Filippov (2):
  xtensa: add helpers for division, remainder and shifts
  xtensa: don't link with libgcc

 arch/xtensa/Kconfig                |   3 +
 arch/xtensa/Makefile               |   6 +-
 arch/xtensa/include/asm/asmmacro.h |  34 ++++++++
 arch/xtensa/kernel/xtensa_ksyms.c  |  14 ---
 arch/xtensa/lib/Makefile           |   2 +
 arch/xtensa/lib/ashldi3.S          |  28 ++++++
 arch/xtensa/lib/ashrdi3.S          |  28 ++++++
 arch/xtensa/lib/divsi3.S           |  74 ++++++++++++++++
 arch/xtensa/lib/lshrdi3.S          |  28 ++++++
 arch/xtensa/lib/modsi3.S           |  87 +++++++++++++++++++
 arch/xtensa/lib/mulsi3.S           | 133 +++++++++++++++++++++++++++++
 arch/xtensa/lib/udivsi3.S          |  68 +++++++++++++++
 arch/xtensa/lib/umodsi3.S          |  57 +++++++++++++
 13 files changed, 543 insertions(+), 19 deletions(-)
 create mode 100644 arch/xtensa/lib/ashldi3.S
 create mode 100644 arch/xtensa/lib/ashrdi3.S
 create mode 100644 arch/xtensa/lib/divsi3.S
 create mode 100644 arch/xtensa/lib/lshrdi3.S
 create mode 100644 arch/xtensa/lib/modsi3.S
 create mode 100644 arch/xtensa/lib/mulsi3.S
 create mode 100644 arch/xtensa/lib/udivsi3.S
 create mode 100644 arch/xtensa/lib/umodsi3.S

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2.30.2