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from c37638ba4a6 x86: Disallow -mindirect-branch=/-mfunction-return= with -m [...] new c5a535a55ec Use INVALID_REGNUM in indirect thunk processing new 7003bd28b25 i386: Pass INVALID_REGNUM as invalid register number new 67446c5b6cb i386: Update -mfunction-return= for return with pop new c4cb6ac48d0 i386: Add TARGET_INDIRECT_BRANCH_REGISTER new 390e7c52979 i386: Don't generate alias for function return thunk
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Summary of changes: gcc/ChangeLog | 99 ++++++++++ gcc/config/i386/constraints.md | 4 +- gcc/config/i386/i386-protos.h | 4 +- gcc/config/i386/i386.c | 214 ++++++++++++++------- gcc/config/i386/i386.h | 5 + gcc/config/i386/i386.md | 39 ++-- gcc/config/i386/predicates.md | 6 +- gcc/testsuite/ChangeLog | 67 +++++++ gcc/testsuite/gcc.target/i386/indirect-thunk-1.c | 5 +- gcc/testsuite/gcc.target/i386/indirect-thunk-2.c | 5 +- gcc/testsuite/gcc.target/i386/indirect-thunk-3.c | 5 +- gcc/testsuite/gcc.target/i386/indirect-thunk-4.c | 5 +- gcc/testsuite/gcc.target/i386/indirect-thunk-5.c | 6 +- gcc/testsuite/gcc.target/i386/indirect-thunk-6.c | 12 +- gcc/testsuite/gcc.target/i386/indirect-thunk-7.c | 5 +- .../gcc.target/i386/indirect-thunk-attr-1.c | 5 +- .../gcc.target/i386/indirect-thunk-attr-2.c | 5 +- .../gcc.target/i386/indirect-thunk-attr-3.c | 3 +- .../gcc.target/i386/indirect-thunk-attr-4.c | 3 +- .../gcc.target/i386/indirect-thunk-attr-5.c | 9 +- .../gcc.target/i386/indirect-thunk-attr-6.c | 9 +- .../gcc.target/i386/indirect-thunk-attr-7.c | 5 +- .../gcc.target/i386/indirect-thunk-bnd-1.c | 6 +- .../gcc.target/i386/indirect-thunk-bnd-2.c | 6 +- .../gcc.target/i386/indirect-thunk-bnd-3.c | 5 +- .../gcc.target/i386/indirect-thunk-bnd-4.c | 7 +- .../gcc.target/i386/indirect-thunk-extern-1.c | 5 +- .../gcc.target/i386/indirect-thunk-extern-2.c | 5 +- .../gcc.target/i386/indirect-thunk-extern-3.c | 9 +- .../gcc.target/i386/indirect-thunk-extern-4.c | 6 +- .../gcc.target/i386/indirect-thunk-extern-5.c | 6 +- .../gcc.target/i386/indirect-thunk-extern-6.c | 8 +- .../gcc.target/i386/indirect-thunk-extern-7.c | 5 +- .../gcc.target/i386/indirect-thunk-inline-1.c | 2 +- .../gcc.target/i386/indirect-thunk-inline-2.c | 2 +- .../gcc.target/i386/indirect-thunk-inline-3.c | 2 +- .../gcc.target/i386/indirect-thunk-inline-4.c | 2 +- .../gcc.target/i386/indirect-thunk-inline-5.c | 3 +- .../gcc.target/i386/indirect-thunk-inline-6.c | 3 +- .../gcc.target/i386/indirect-thunk-inline-7.c | 4 +- gcc/testsuite/gcc.target/i386/ret-thunk-10.c | 9 +- gcc/testsuite/gcc.target/i386/ret-thunk-11.c | 9 +- gcc/testsuite/gcc.target/i386/ret-thunk-12.c | 8 +- gcc/testsuite/gcc.target/i386/ret-thunk-13.c | 5 +- gcc/testsuite/gcc.target/i386/ret-thunk-14.c | 7 +- gcc/testsuite/gcc.target/i386/ret-thunk-15.c | 7 +- gcc/testsuite/gcc.target/i386/ret-thunk-22.c | 15 ++ gcc/testsuite/gcc.target/i386/ret-thunk-23.c | 15 ++ gcc/testsuite/gcc.target/i386/ret-thunk-24.c | 15 ++ gcc/testsuite/gcc.target/i386/ret-thunk-25.c | 15 ++ .../i386/ret-thunk-26.c} | 2 + gcc/testsuite/gcc.target/i386/ret-thunk-9.c | 15 +- 52 files changed, 509 insertions(+), 219 deletions(-) create mode 100644 gcc/testsuite/gcc.target/i386/ret-thunk-22.c create mode 100644 gcc/testsuite/gcc.target/i386/ret-thunk-23.c create mode 100644 gcc/testsuite/gcc.target/i386/ret-thunk-24.c create mode 100644 gcc/testsuite/gcc.target/i386/ret-thunk-25.c copy gcc/testsuite/{gcc.dg/torture/20131115-1.c => gcc.target/i386/ret-thunk-26.c} (88%)