On 2021/11/3 23:13, David Edelsohn wrote:
> Did you manually change fusion.md or did you regenerate it after
> fixing genfusion.pl?
> 
> If you regenerated it, the ChangeLog entry should be "Regenerated" and
> the "Fix incorrect clobber constraint." should refer to the
> genfusion.pl change.
> 
> I want to ensure that genfusion.pl generates the correct constraint
> the next time it is used.
> 

Aaron mentioned he disabled the auto generation here[1], but before
than that, Segher suggested to enable it in stage1. 

[1] https://gcc.gnu.org/pipermail/gcc-patches/2021-February/564652.html
[2] https://gcc.gnu.org/pipermail/gcc-patches/2021-January/564244.html


Thus re-enable it with the followed v2 patch(Confirmed the fusion.md is
exactly same with v1 patch.)


[PATCH v2] rs6000: Fix incorrect fusion constraint [PR102991]


gcc/ChangeLog:

        * config/rs6000/fusion.md: Regenerate.
        * config/rs6000/genfusion.pl: Fix incorrect clobber constraint.
        * config/rs6000/t-rs6000: Uncomment regeneration of fusion.md.
---
 gcc/config/rs6000/fusion.md    | 128 ++++++++++++++++-----------------
 gcc/config/rs6000/genfusion.pl |   2 +-
 gcc/config/rs6000/t-rs6000     |   4 +-
 3 files changed, 67 insertions(+), 67 deletions(-)

diff --git a/gcc/config/rs6000/fusion.md b/gcc/config/rs6000/fusion.md
index 516baa0bb0b..d11cecb11ee 100644
--- a/gcc/config/rs6000/fusion.md
+++ b/gcc/config/rs6000/fusion.md
@@ -1874,7 +1874,7 @@ (define_insn "*fuse_vand_vand"
         (and:VM (and:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"%v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vand %3,%1,%0\;vand %3,%3,%2
@@ -1892,7 +1892,7 @@ (define_insn "*fuse_vandc_vand"
         (and:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vandc %3,%1,%0\;vand %3,%3,%2
@@ -1910,7 +1910,7 @@ (define_insn "*fuse_veqv_vand"
         (and:VM (not:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    veqv %3,%1,%0\;vand %3,%3,%2
@@ -1928,7 +1928,7 @@ (define_insn "*fuse_vnand_vand"
         (and:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnand %3,%1,%0\;vand %3,%3,%2
@@ -1946,7 +1946,7 @@ (define_insn "*fuse_vnor_vand"
         (and:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnor %3,%1,%0\;vand %3,%3,%2
@@ -1964,7 +1964,7 @@ (define_insn "*fuse_vor_vand"
         (and:VM (ior:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vor %3,%1,%0\;vand %3,%3,%2
@@ -1982,7 +1982,7 @@ (define_insn "*fuse_vorc_vand"
         (and:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vorc %3,%1,%0\;vand %3,%3,%2
@@ -2000,7 +2000,7 @@ (define_insn "*fuse_vxor_vand"
         (and:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vxor %3,%1,%0\;vand %3,%3,%2
@@ -2018,7 +2018,7 @@ (define_insn "*fuse_vand_vandc"
         (and:VM (and:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vand %3,%1,%0\;vandc %3,%3,%2
@@ -2036,7 +2036,7 @@ (define_insn "*fuse_vandc_vandc"
         (and:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vandc %3,%1,%0\;vandc %3,%3,%2
@@ -2054,7 +2054,7 @@ (define_insn "*fuse_veqv_vandc"
         (and:VM (not:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    veqv %3,%1,%0\;vandc %3,%3,%2
@@ -2072,7 +2072,7 @@ (define_insn "*fuse_vnand_vandc"
         (and:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnand %3,%1,%0\;vandc %3,%3,%2
@@ -2090,7 +2090,7 @@ (define_insn "*fuse_vnor_vandc"
         (and:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnor %3,%1,%0\;vandc %3,%3,%2
@@ -2108,7 +2108,7 @@ (define_insn "*fuse_vor_vandc"
         (and:VM (ior:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vor %3,%1,%0\;vandc %3,%3,%2
@@ -2126,7 +2126,7 @@ (define_insn "*fuse_vorc_vandc"
         (and:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vorc %3,%1,%0\;vandc %3,%3,%2
@@ -2144,7 +2144,7 @@ (define_insn "*fuse_vxor_vandc"
         (and:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vxor %3,%1,%0\;vandc %3,%3,%2
@@ -2162,7 +2162,7 @@ (define_insn "*fuse_vand_veqv"
         (not:VM (xor:VM (and:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vand %3,%1,%0\;veqv %3,%3,%2
@@ -2180,7 +2180,7 @@ (define_insn "*fuse_vandc_veqv"
         (not:VM (xor:VM (and:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vandc %3,%1,%0\;veqv %3,%3,%2
@@ -2198,7 +2198,7 @@ (define_insn "*fuse_veqv_veqv"
         (not:VM (xor:VM (not:VM (xor:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"%v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    veqv %3,%1,%0\;veqv %3,%3,%2
@@ -2216,7 +2216,7 @@ (define_insn "*fuse_vnand_veqv"
         (not:VM (xor:VM (ior:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnand %3,%1,%0\;veqv %3,%3,%2
@@ -2234,7 +2234,7 @@ (define_insn "*fuse_vnor_veqv"
         (not:VM (xor:VM (and:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnor %3,%1,%0\;veqv %3,%3,%2
@@ -2252,7 +2252,7 @@ (define_insn "*fuse_vor_veqv"
         (not:VM (xor:VM (ior:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vor %3,%1,%0\;veqv %3,%3,%2
@@ -2270,7 +2270,7 @@ (define_insn "*fuse_vorc_veqv"
         (not:VM (xor:VM (ior:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vorc %3,%1,%0\;veqv %3,%3,%2
@@ -2288,7 +2288,7 @@ (define_insn "*fuse_vxor_veqv"
         (not:VM (xor:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vxor %3,%1,%0\;veqv %3,%3,%2
@@ -2306,7 +2306,7 @@ (define_insn "*fuse_vand_vnand"
         (ior:VM (not:VM (and:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vand %3,%1,%0\;vnand %3,%3,%2
@@ -2324,7 +2324,7 @@ (define_insn "*fuse_vandc_vnand"
         (ior:VM (not:VM (and:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vandc %3,%1,%0\;vnand %3,%3,%2
@@ -2342,7 +2342,7 @@ (define_insn "*fuse_veqv_vnand"
         (ior:VM (not:VM (not:VM (xor:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    veqv %3,%1,%0\;vnand %3,%3,%2
@@ -2360,7 +2360,7 @@ (define_insn "*fuse_vnand_vnand"
         (ior:VM (not:VM (ior:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v"))))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnand %3,%1,%0\;vnand %3,%3,%2
@@ -2378,7 +2378,7 @@ (define_insn "*fuse_vnor_vnand"
         (ior:VM (not:VM (and:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v"))))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnor %3,%1,%0\;vnand %3,%3,%2
@@ -2396,7 +2396,7 @@ (define_insn "*fuse_vor_vnand"
         (ior:VM (not:VM (ior:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vor %3,%1,%0\;vnand %3,%3,%2
@@ -2414,7 +2414,7 @@ (define_insn "*fuse_vorc_vnand"
         (ior:VM (not:VM (ior:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vorc %3,%1,%0\;vnand %3,%3,%2
@@ -2432,7 +2432,7 @@ (define_insn "*fuse_vxor_vnand"
         (ior:VM (not:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vxor %3,%1,%0\;vnand %3,%3,%2
@@ -2450,7 +2450,7 @@ (define_insn "*fuse_vand_vnor"
         (and:VM (not:VM (and:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vand %3,%1,%0\;vnor %3,%3,%2
@@ -2468,7 +2468,7 @@ (define_insn "*fuse_vandc_vnor"
         (and:VM (not:VM (and:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vandc %3,%1,%0\;vnor %3,%3,%2
@@ -2486,7 +2486,7 @@ (define_insn "*fuse_veqv_vnor"
         (and:VM (not:VM (not:VM (xor:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    veqv %3,%1,%0\;vnor %3,%3,%2
@@ -2504,7 +2504,7 @@ (define_insn "*fuse_vnand_vnor"
         (and:VM (not:VM (ior:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v"))))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnand %3,%1,%0\;vnor %3,%3,%2
@@ -2522,7 +2522,7 @@ (define_insn "*fuse_vnor_vnor"
         (and:VM (not:VM (and:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v"))))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnor %3,%1,%0\;vnor %3,%3,%2
@@ -2540,7 +2540,7 @@ (define_insn "*fuse_vor_vnor"
         (and:VM (not:VM (ior:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vor %3,%1,%0\;vnor %3,%3,%2
@@ -2558,7 +2558,7 @@ (define_insn "*fuse_vorc_vnor"
         (and:VM (not:VM (ior:VM (not:VM (match_operand:VM 0 
"altivec_register_operand" "v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vorc %3,%1,%0\;vnor %3,%3,%2
@@ -2576,7 +2576,7 @@ (define_insn "*fuse_vxor_vnor"
         (and:VM (not:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vxor %3,%1,%0\;vnor %3,%3,%2
@@ -2594,7 +2594,7 @@ (define_insn "*fuse_vand_vor"
         (ior:VM (and:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vand %3,%1,%0\;vor %3,%3,%2
@@ -2612,7 +2612,7 @@ (define_insn "*fuse_vandc_vor"
         (ior:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vandc %3,%1,%0\;vor %3,%3,%2
@@ -2630,7 +2630,7 @@ (define_insn "*fuse_veqv_vor"
         (ior:VM (not:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    veqv %3,%1,%0\;vor %3,%3,%2
@@ -2648,7 +2648,7 @@ (define_insn "*fuse_vnand_vor"
         (ior:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnand %3,%1,%0\;vor %3,%3,%2
@@ -2666,7 +2666,7 @@ (define_insn "*fuse_vnor_vor"
         (ior:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnor %3,%1,%0\;vor %3,%3,%2
@@ -2684,7 +2684,7 @@ (define_insn "*fuse_vor_vor"
         (ior:VM (ior:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"%v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vor %3,%1,%0\;vor %3,%3,%2
@@ -2702,7 +2702,7 @@ (define_insn "*fuse_vorc_vor"
         (ior:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vorc %3,%1,%0\;vor %3,%3,%2
@@ -2720,7 +2720,7 @@ (define_insn "*fuse_vxor_vor"
         (ior:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vxor %3,%1,%0\;vor %3,%3,%2
@@ -2738,7 +2738,7 @@ (define_insn "*fuse_vand_vorc"
         (ior:VM (and:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vand %3,%1,%0\;vorc %3,%3,%2
@@ -2756,7 +2756,7 @@ (define_insn "*fuse_vandc_vorc"
         (ior:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vandc %3,%1,%0\;vorc %3,%3,%2
@@ -2774,7 +2774,7 @@ (define_insn "*fuse_veqv_vorc"
         (ior:VM (not:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    veqv %3,%1,%0\;vorc %3,%3,%2
@@ -2792,7 +2792,7 @@ (define_insn "*fuse_vnand_vorc"
         (ior:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnand %3,%1,%0\;vorc %3,%3,%2
@@ -2810,7 +2810,7 @@ (define_insn "*fuse_vnor_vorc"
         (ior:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnor %3,%1,%0\;vorc %3,%3,%2
@@ -2828,7 +2828,7 @@ (define_insn "*fuse_vor_vorc"
         (ior:VM (ior:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vor %3,%1,%0\;vorc %3,%3,%2
@@ -2846,7 +2846,7 @@ (define_insn "*fuse_vorc_vorc"
         (ior:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vorc %3,%1,%0\;vorc %3,%3,%2
@@ -2864,7 +2864,7 @@ (define_insn "*fuse_vxor_vorc"
         (ior:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (not:VM (match_operand:VM 2 "altivec_register_operand" 
"v,v,v,v"))))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vxor %3,%1,%0\;vorc %3,%3,%2
@@ -2882,7 +2882,7 @@ (define_insn "*fuse_vand_vxor"
         (xor:VM (and:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vand %3,%1,%0\;vxor %3,%3,%2
@@ -2900,7 +2900,7 @@ (define_insn "*fuse_vandc_vxor"
         (xor:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vandc %3,%1,%0\;vxor %3,%3,%2
@@ -2918,7 +2918,7 @@ (define_insn "*fuse_veqv_vxor"
         (xor:VM (not:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    veqv %3,%1,%0\;vxor %3,%3,%2
@@ -2936,7 +2936,7 @@ (define_insn "*fuse_vnand_vxor"
         (xor:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnand %3,%1,%0\;vxor %3,%3,%2
@@ -2954,7 +2954,7 @@ (define_insn "*fuse_vnor_vxor"
         (xor:VM (and:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (not:VM (match_operand:VM 1 
"altivec_register_operand" "v,v,v,v")))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vnor %3,%1,%0\;vxor %3,%3,%2
@@ -2972,7 +2972,7 @@ (define_insn "*fuse_vor_vxor"
         (xor:VM (ior:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vor %3,%1,%0\;vxor %3,%3,%2
@@ -2990,7 +2990,7 @@ (define_insn "*fuse_vorc_vxor"
         (xor:VM (ior:VM (not:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v"))
                           (match_operand:VM 1 "altivec_register_operand" 
"v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vorc %3,%1,%0\;vxor %3,%3,%2
@@ -3008,7 +3008,7 @@ (define_insn "*fuse_vxor_vxor"
         (xor:VM (xor:VM (match_operand:VM 0 "altivec_register_operand" 
"v,v,v,v")
                           (match_operand:VM 1 "altivec_register_operand" 
"%v,v,v,v"))
                  (match_operand:VM 2 "altivec_register_operand" "v,v,v,v")))
-   (clobber (match_scratch:VM 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:VM 4 "=X,X,X,&v"))]
   "(TARGET_P10_FUSION && TARGET_P10_FUSION_2LOGICAL)"
   "@
    vxor %3,%1,%0\;vxor %3,%3,%2
diff --git a/gcc/config/rs6000/genfusion.pl b/gcc/config/rs6000/genfusion.pl
index ac22852220e..0fef75bd516 100755
--- a/gcc/config/rs6000/genfusion.pl
+++ b/gcc/config/rs6000/genfusion.pl
@@ -265,7 +265,7 @@ sub gen_logical_addsubf
 (define_insn "*fuse_${inner_op}_${outer_name}"
   [(set (match_operand:${mode} 3 "${pred}" 
"=&0,&1,&${constraint},${constraint}")
         ${outer_exp})
-   (clobber (match_scratch:${mode} 4 "=X,X,X,&r"))]
+   (clobber (match_scratch:${mode} 4 "=X,X,X,&${constraint}"))]
   "(TARGET_P10_FUSION && $target_flag)"
   "@
    ${inner_op} %3,%1,%0\\;${outer_op} %3,${outer_32}
diff --git a/gcc/config/rs6000/t-rs6000 b/gcc/config/rs6000/t-rs6000
index d48a4b1be6c..b488b1e5e9a 100644
--- a/gcc/config/rs6000/t-rs6000
+++ b/gcc/config/rs6000/t-rs6000
@@ -85,8 +85,8 @@ rs6000-c.o: $(srcdir)/config/rs6000/rs6000-c.c 
rs6000-builtins.h
        $(COMPILE) $<
        $(POSTCOMPILE)
 
-#$(srcdir)/config/rs6000/fusion.md: $(srcdir)/config/rs6000/genfusion.pl
-#      $(srcdir)/config/rs6000/genfusion.pl > $(srcdir)/config/rs6000/fusion.md
+$(srcdir)/config/rs6000/fusion.md: $(srcdir)/config/rs6000/genfusion.pl
+       $(srcdir)/config/rs6000/genfusion.pl > $(srcdir)/config/rs6000/fusion.md
 
 $(srcdir)/config/rs6000/rs6000-tables.opt: $(srcdir)/config/rs6000/genopt.sh \
   $(srcdir)/config/rs6000/rs6000-cpus.def
-- 
2.27.0

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