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[RISCV] Propagate -mabi and -march values to GNU assembler.
When using -fno-integrated-as flag, the gnu assembler produces code with some default march/mabi which later causes linker failure due to incompatible mabi/march. In this patch we explicitly propagate -mabi and -march flags to the GNU assembler. In this patch we explicitly propagate -mabi and -march flags to the GNU assembler. Differential Revision: https://reviews.llvm.org/D41271 llvm-svn: 322769
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Ana Pazos
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Jan 17, 2018
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clang/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/bin/as
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#!/bin/true |
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// Check gnutools are invoked with propagated values for -mabi and -march. | ||
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// RUN: %clang -target riscv32-linux-unknown-elf -fno-integrated-as \ | ||
// RUN: --gcc-toolchain=%S/Inputs/multilib_riscv_linux_sdk \ | ||
// RUN: --sysroot=%S/Inputs/multilib_riscv_linux_sdk/sysroot %s -### \ | ||
// RUN: 2>&1 | FileCheck -check-prefix=MABI-ILP32 %s | ||
// RUN: %clang -target riscv32-linux-unknown-elf -fno-integrated-as \ | ||
// RUN: -march=rv32g --gcc-toolchain=%S/Inputs/multilib_riscv_linux_sdk \ | ||
// RUN: --sysroot=%S/Inputs/multilib_riscv_linux_sdk/sysroot %s -### \ | ||
// RUN: 2>&1 | FileCheck -check-prefix=MABI-ILP32-MARCH-G %s | ||
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// MABI-ILP32: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/../../../../riscv64-unknown-linux-gnu/bin{{/|\\\\}}as" "-mabi" "ilp32" | ||
// MABI-ILP32-MARCH-G: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/../../../../riscv64-unknown-linux-gnu/bin{{/|\\\\}}as" "-mabi" "ilp32" "-march" "rv32g" | ||
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