28e7e60ea4
Summary: Making X[8-15,18] registers call-saved is used to support CONFIG_ARM64_LSE_ATOMICS in Linux kernel. Signed-off-by: Tri Vo <trong@android.com> Reviewers: srhines, nickdesaulniers, javed.absar Reviewed By: nickdesaulniers Subscribers: kristof.beyls, jfb, cfe-commits Differential Revision: https://reviews.llvm.org/D52399 llvm-svn: 342990
9 lines
288 B
C
9 lines
288 B
C
// Check that -ffixed and -fcall-saved flags work correctly together.
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// RUN: %clang -target aarch64-none-gnu \
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// RUN: -ffixed-x18 \
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// RUN: -fcall-saved-x18 \
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// RUN: -### %s 2>&1 | FileCheck %s
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// CHECK: "-target-feature" "+reserve-x18"
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// CHECK: "-target-feature" "+call-saved-x18"
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