~ruther/guix-local

4dd5fa9e766a164acd5f1b639e4ed1d0a917b203 — Efraim Flashner 3 years ago b930572
guix: cpu: Refactor cpu->gcc-architecture.

* guix/cpu.scm (cpu->gcc-architecture): Refactor to wrap all the x86_64
options inside a common letrec-syntax.
1 files changed, 18 insertions(+), 39 deletions(-)

M guix/cpu.scm
M guix/cpu.scm => guix/cpu.scm +18 -39
@@ 114,19 114,19 @@ corresponds to CPU, a record as returned by 'current-cpu'."
  (match (cpu-architecture cpu)
    ("x86_64"
     ;; Transcribed from GCC's 'host_detect_local_cpu' in driver-i386.cc.
     (or (and (equal? "GenuineIntel" (cpu-vendor cpu))
              (= 6 (cpu-family cpu))              ;the "Pentium Pro" family
              (letrec-syntax ((if-flags (syntax-rules (=>)
                                          ((_)
                                           #f)
                                          ((_ (flags ... => name) rest ...)
                                           (if (every (lambda (flag)
                                                        (set-contains? (cpu-flags cpu)
                                                                       flag))
                                                      '(flags ...))
                                             name
                                             (if-flags rest ...))))))
     (letrec-syntax ((if-flags (syntax-rules (=>)
                                 ((_)
                                  #f)
                                 ((_ (flags ... => name) rest ...)
                                  (if (every (lambda (flag)
                                               (set-contains? (cpu-flags cpu)
                                                              flag))
                                             '(flags ...))
                                    name
                                    (if-flags rest ...))))))

       (or (and (equal? "GenuineIntel" (cpu-vendor cpu))
                (= 6 (cpu-family cpu))              ;the "Pentium Pro" family
                (if-flags ("avx" "raoint" => "grandridge")
                          ("avx" "amx_fp16" => "graniterapids")
                          ("avx" "avxvnniint8" => "sierraforest")


@@ 152,20 152,9 @@ corresponds to CPU, a record as returned by 'current-cpu'."
                          ("ssse3" "movbe" => "bonnell")
                          ("ssse3" => "core2")
                          ("longmode" => "x86-64")
                          ("lm" => "x86-64"))))

         (and (equal? "AuthenticAMD" (cpu-vendor cpu))
              (letrec-syntax ((if-flags (syntax-rules (=>)
                                          ((_)
                                           #f)
                                          ((_ (flags ... => name) rest ...)
                                           (if (every (lambda (flag)
                                                        (set-contains? (cpu-flags cpu)
                                                                       flag))
                                                      '(flags ...))
                                             name
                                             (if-flags rest ...))))))
                          ("lm" => "x86-64")))

           (and (equal? "AuthenticAMD" (cpu-vendor cpu))
                (or (and (= 22 (cpu-family cpu))
                         (if-flags ("movbe" => "btver2")))
                    (and (= 6 (cpu-family cpu))


@@ 192,20 181,10 @@ corresponds to CPU, a record as returned by 'current-cpu'."
                              ("lm" => "k8")
                              ("mmx" "3dnow" => "k6-3")
                              ("mmx" => "k6")
                              (_ => "pentium")))))
                              (_ => "pentium"))))

         ;; Fallback case for non-Intel processors or for Intel processors not
         ;; recognized above.
         (letrec-syntax ((if-flags (syntax-rules (=>)
                                     ((_)
                                      #f)
                                     ((_ (flags ... => name) rest ...)
                                      (if (every (lambda (flag)
                                                   (set-contains? (cpu-flags cpu)
                                                                  flag))
                                                 '(flags ...))
                                          name
                                          (if-flags rest ...))))))
           ;; Fallback case for non-Intel processors or for processors not
           ;; recognized above.
           (if (and (= 7 (cpu-family cpu))
                    (= #x3b (cpu-model cpu)))
             "lujiazui"


@@ 213,7 192,7 @@ corresponds to CPU, a record as returned by 'current-cpu'."

         ;; TODO: Recognize CENTAUR/CYRIX/NSC?

         "x86_64"))
         "x86_64")))
    ("aarch64"
     ;; Transcribed from GCC's list of aarch64 processors in aarch64-cores.def
     ;; What to do with big.LITTLE cores?