Hello, this series implements -mabi option support for xtensa target allowing to choose between windowed and call0 code generation.
Tested with xtensa-linux-uclibc, both windowed and call0, no new regression failures. Committed to master. Max Filippov (2): gcc: xtensa: make register elimination data static gcc: xtensa: add -mabi option for call0/windowed ABI gcc/config/xtensa/elf.h | 8 +++-- gcc/config/xtensa/linux.h | 8 +++-- gcc/config/xtensa/uclinux.h | 9 ++++-- gcc/config/xtensa/xtensa.c | 19 ++++++++++++ gcc/config/xtensa/xtensa.h | 29 +++++++++++++------ gcc/config/xtensa/xtensa.opt | 11 +++++++ gcc/doc/invoke.texi | 26 ++++++++++++++++- gcc/testsuite/gcc.target/xtensa/mabi-call0.c | 13 +++++++++ .../gcc.target/xtensa/mabi-windowed.c | 13 +++++++++ libgcc/configure | 24 +++++++-------- libgcc/configure.ac | 14 ++++----- 11 files changed, 137 insertions(+), 37 deletions(-) create mode 100644 gcc/testsuite/gcc.target/xtensa/mabi-call0.c create mode 100644 gcc/testsuite/gcc.target/xtensa/mabi-windowed.c -- 2.20.1
