clang/test/Driver/riscv-march-mcpu-mtune.c

   1 // Check the priority between -mcpu, -mtune and -march
   2
   3 // sifive-e76 is rv32imafc and sifive-e31 is rv32imac
   4
   5 // -mcpu, -mtune and -march are not given, pipeline model and arch ext. use
   6 // default setting.
   7 // RUN: %clang --target=riscv32-elf -### -c %s 2>&1 \
   8 // RUN:     | FileCheck -check-prefix=CHECK-DEFAULT %s
   9 // CHECK-DEFAULT: "-target-cpu" "generic-rv32"
  10 // CHECK-DEFAULT: "-target-feature" "+m" "-target-feature" "+a"
  11 // CHECK-DEFAULT: "-target-feature" "+c"
  12
  13 // -mtune is given, pipeline model take from -mtune, arch ext. use
  14 // default setting.
  15 // RUN: %clang --target=riscv32 -mtune=sifive-e76 -### -c %s 2>&1 \
  16 // RUN:     | FileCheck -check-prefix=MTUNE-E76 %s
  17 // MTUNE-E76: "-target-feature" "+m" "-target-feature" "+a"
  18 // MTUNE-E76: "-target-feature" "+c"
  19 // MTUNE-E76: "-target-feature" "-f"
  20 // MTUNE-E76: "-tune-cpu" "sifive-e76"
  21
  22 // -march is given, arch ext. take from -march, pipeline model use
  23 // default setting.
  24 // RUN: %clang --target=riscv32 -### -c %s -march=rv32imafdc 2>&1 \
  25 // RUN:     | FileCheck -check-prefix=MARCH-RV32IMAFDC %s
  26 // MARCH-RV32IMAFDC: "-target-cpu" "generic-rv32"
  27 // MARCH-RV32IMAFDC: "-target-feature" "+m" "-target-feature" "+a"
  28 // MARCH-RV32IMAFDC: "-target-feature" "+f" "-target-feature" "+d"
  29 // MARCH-RV32IMAFDC: "-target-feature" "+c"
  30
  31 // -mcpu is given, pipeline model and arch ext. from -mcpu.
  32 // RUN: %clang --target=riscv32 -### -c %s -mcpu=sifive-e76 2>&1 \
  33 // RUN:     | FileCheck -check-prefix=MCPU-E76 %s
  34 // MCPU-E76: "-target-cpu" "sifive-e76"
  35 // MCPU-E76: "-target-feature" "+m" "-target-feature" "+a"
  36 // MCPU-E76: "-target-feature" "+f" "-target-feature" "+c"
  37
  38 // -mcpu and -mtune are given, so pipeline model take from -mtune, and arch ext.
  39 // take from -mcpu since -march is not given.
  40 // RUN: %clang --target=riscv32 -### -c %s -mcpu=sifive-e76 -mtune=sifive-e31 2>&1 \
  41 // RUN:     | FileCheck -check-prefix=MCPU-E76-MTUNE-E31 %s
  42 // MCPU-E76-MTUNE-E31: "-target-cpu" "sifive-e76"
  43 // MCPU-E76-MTUNE-E31: "-target-feature" "+m" "-target-feature" "+a"
  44 // MCPU-E76-MTUNE-E31: "-target-feature" "+f" "-target-feature" "+c"
  45 // MCPU-E76-MTUNE-E31: "-tune-cpu" "sifive-e31"
  46
  47 // RUN: %clang --target=riscv32 -### -c %s -mtune=sifive-e76 -mcpu=sifive-e31 2>&1 \
  48 // RUN:     | FileCheck -check-prefix=MTUNE-E76-MCPU-E31 %s
  49 // MTUNE-E76-MCPU-E31: "-target-cpu" "sifive-e31"
  50 // MTUNE-E76-MCPU-E31: "-target-feature" "+m" "-target-feature" "+a"
  51 // MTUNE-E76-MCPU-E31: "-target-feature" "+c"
  52 // MTUNE-E76-MCPU-E31: "-target-feature" "-f"
  53 // MTUNE-E76-MCPU-E31: "-tune-cpu" "sifive-e76"
  54
  55 // -mcpu and -march are given, so pipeline model take from -mcpu since -mtune is
  56 // not given, and arch ext. take from -march.
  57 // RUN: %clang --target=riscv32 -### -c %s -mcpu=sifive-e31 -march=rv32ic 2>&1 \
  58 // RUN:     | FileCheck -check-prefix=MCPU-E31-MARCH-RV32I %s
  59 // MCPU-E31-MARCH-RV32I: "-target-cpu" "sifive-e31"
  60 // MCPU-E31-MARCH-RV32I: "-target-feature" "+c"
  61 // MCPU-E31-MARCH-RV32I: "-target-feature" "-a"
  62 // MCPU-E31-MARCH-RV32I: "-target-feature" "-f"
  63 // MCPU-E31-MARCH-RV32I: "-target-feature" "-m"
  64
  65 // -mcpu, -march and -mtune are given, so pipeline model take from -mtune
  66 // and arch ext. take from -march, -mcpu is unused.
  67 // RUN: %clang --target=riscv32 -### -c %s -mcpu=sifive-e31 -mtune=sifive-e76 -march=rv32ic 2>&1 \
  68 // RUN:     | FileCheck -check-prefix=MCPU-E31-MTUNE-E76-MARCH-RV32I %s
  69 // MCPU-E31-MTUNE-E76-MARCH-RV32I: "-target-cpu" "sifive-e31"
  70 // MCPU-E31-MTUNE-E76-MARCH-RV32I: "-target-feature" "+c"
  71 // MCPU-E31-MTUNE-E76-MARCH-RV32I: "-target-feature" "-a"
  72 // MCPU-E31-MTUNE-E76-MARCH-RV32I: "-target-feature" "-f"
  73 // MCPU-E31-MTUNE-E76-MARCH-RV32I: "-target-feature" "-m"
  74 // MCPU-E31-MTUNE-E76-MARCH-RV32I: "-tune-cpu" "sifive-e76"