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The Tor Browser
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mips.gni (1964B)

      1 # Copyright 2015 The Chromium Authors
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 import("//chromium/build/config/v8_target_cpu.gni")
      6 
      7 # These are primarily relevant in target_cpu == "mips*" contexts, where
      8 # MIPS code is being compiled.  But they can also be relevant in the
      9 # other contexts when the code will change its behavior based on the
     10 # cpu it wants to generate code for.
     11 declare_args() {
     12   # MIPS MultiMedia Instruction compilation flag.
     13   mips_use_mmi = false
     14 }
     15 
     16 if (target_cpu == "mipsel" || v8_target_cpu == "mipsel" ||
     17     target_cpu == "mips" || v8_target_cpu == "mips") {
     18   declare_args() {
     19     # MIPS arch variant. Possible values are:
     20     #   "r1"
     21     #   "r2"
     22     #   "r6"
     23     #   "loongson3"
     24     mips_arch_variant = "r1"
     25 
     26     # MIPS DSP ASE revision. Possible values are:
     27     #   0: unavailable
     28     #   1: revision 1
     29     #   2: revision 2
     30     mips_dsp_rev = 0
     31 
     32     # MIPS SIMD Arch compilation flag.
     33     mips_use_msa = false
     34 
     35     # MIPS floating-point ABI. Possible values are:
     36     #   "hard": sets the GCC -mhard-float option.
     37     #   "soft": sets the GCC -msoft-float option.
     38     mips_float_abi = "hard"
     39 
     40     # MIPS32 floating-point register width. Possible values are:
     41     #   "fp32": sets the GCC -mfp32 option.
     42     #   "fp64": sets the GCC -mfp64 option.
     43     #   "fpxx": sets the GCC -mfpxx option.
     44     mips_fpu_mode = "fp32"
     45   }
     46 } else if (target_cpu == "mips64el" || v8_target_cpu == "mips64el" ||
     47            target_cpu == "mips64" || v8_target_cpu == "mips64") {
     48   # MIPS arch variant. Possible values are:
     49   #   "r2"
     50   #   "r6"
     51   #   "loongson3"
     52   if (current_os == "android" || target_os == "android") {
     53     declare_args() {
     54       mips_arch_variant = "r6"
     55 
     56       # MIPS SIMD Arch compilation flag.
     57       mips_use_msa = true
     58     }
     59   } else {
     60     declare_args() {
     61       mips_arch_variant = "r2"
     62 
     63       # MIPS SIMD Arch compilation flag.
     64       mips_use_msa = false
     65     }
     66   }
     67 }