ppc: Workaround using m4_unquote.

diff --git a/powerpc64/p7/chacha-4core.asm b/powerpc64/p7/chacha-4core.asm
index 29d3f3c154380c7beeb40f830fc2f3f854f31e88..ce1e9a677a93198a38f8cdb7b44a62982a6f27a6 100644 (file)
--- a/powerpc64/p7/chacha-4core.asm
+++ b/powerpc64/p7/chacha-4core.asm
@@ -193,7 +193,7 @@ IF_BE(`
        vxor     T1, T1, T0     C 03 02 01 00 ... 0f 0e 0d 0c
 
        forloop(i, 0, 15, `
-       vperm   `v'i, `v'i, `v'i, T1
+       vperm   m4_unquote(v`'i), m4_unquote(v`'i), m4_unquote(v`'i), T1
        ')
 ')