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from b99ff0e * config/avr/avr.c: Fix coding rule glitches. new 0120ae3 Add support for ARMv8-M's Secure Extensions flag and intrinsics new bbe32a8 Handling ARMv8-M Security Extension's cmse_nonsecure_entry attribute new 9c21be3 ARMv8-M Security Extension's cmse_nonsecure_entry: __acle_se [...] new 4d44b67 ARMv8-M Security Extension's cmse_nonsecure_entry: clear registers new b9a4a46 Handling ARMv8-M Security Extension's cmse_nonsecure_call attribute

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Summary of changes: gcc/ChangeLog | 78 +++ gcc/config.gcc | 2 +- gcc/config/arm/arm-arches.def | 6 +- gcc/config/arm/arm-c.c | 8 + gcc/config/arm/arm-flags.h | 1 + gcc/config/arm/arm-protos.h | 1 + gcc/config/arm/arm.c | 768 ++++++++++++++++++++- gcc/config/arm/arm.h | 5 + gcc/config/arm/arm.opt | 4 + gcc/config/arm/arm_cmse.h | 192 ++++++ gcc/config/arm/elf.h | 11 +- gcc/config/arm/thumb1.md | 9 +- gcc/config/arm/thumb2.md | 21 +- gcc/doc/extend.texi | 29 + gcc/doc/invoke.texi | 8 +- gcc/doc/sourcebuild.texi | 4 + gcc/testsuite/ChangeLog | 44 ++ .../gcc.target/arm/cmse/baseline/cmse-2.c | 19 + .../gcc.target/arm/cmse/baseline/softfp.c | 29 + gcc/testsuite/gcc.target/arm/cmse/bitfield-1.c | 39 ++ gcc/testsuite/gcc.target/arm/cmse/bitfield-2.c | 36 + gcc/testsuite/gcc.target/arm/cmse/bitfield-3.c | 37 + gcc/testsuite/gcc.target/arm/cmse/cmse-1.c | 67 ++ gcc/testsuite/gcc.target/arm/cmse/cmse-10.c | 9 + gcc/testsuite/gcc.target/arm/cmse/cmse-12.c | 14 + gcc/testsuite/gcc.target/arm/cmse/cmse-15.c | 72 ++ gcc/testsuite/gcc.target/arm/cmse/cmse-3.c | 45 ++ gcc/testsuite/gcc.target/arm/cmse/cmse-4.c | 34 + gcc/testsuite/gcc.target/arm/cmse/cmse-9.c | 12 + .../arm/{pure-code/pure-code.exp => cmse/cmse.exp} | 46 +- .../gcc.target/arm/cmse/mainline/hard-sp/cmse-5.c | 45 ++ .../gcc.target/arm/cmse/mainline/hard/cmse-5.c | 38 + .../gcc.target/arm/cmse/mainline/soft/cmse-5.c | 24 + .../arm/cmse/mainline/softfp-sp/cmse-5.c | 46 ++ .../gcc.target/arm/cmse/mainline/softfp/cmse-5.c | 38 + gcc/testsuite/gcc.target/arm/cmse/struct-1.c | 33 + gcc/testsuite/lib/target-supports.exp | 13 + libgcc/ChangeLog | 6 + libgcc/config/arm/cmse.c | 108 +++ libgcc/config/arm/t-arm | 12 + 40 files changed, 1968 insertions(+), 45 deletions(-) create mode 100644 gcc/config/arm/arm_cmse.h create mode 100644 gcc/testsuite/gcc.target/arm/cmse/baseline/cmse-2.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/baseline/softfp.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/bitfield-1.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/bitfield-2.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/bitfield-3.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/cmse-1.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/cmse-10.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/cmse-12.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/cmse-15.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/cmse-3.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/cmse-4.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/cmse-9.c copy gcc/testsuite/gcc.target/arm/{pure-code/pure-code.exp => cmse/cmse.exp} (55%) create mode 100644 gcc/testsuite/gcc.target/arm/cmse/mainline/hard-sp/cmse-5.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/mainline/hard/cmse-5.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/mainline/soft/cmse-5.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/mainline/softfp-sp/cmse-5.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/mainline/softfp/cmse-5.c create mode 100644 gcc/testsuite/gcc.target/arm/cmse/struct-1.c create mode 100644 libgcc/config/arm/cmse.c