regtest: change rh2257546_256 prereq

Need to check for machine cpu capabilities. configure will build
avx and avx2 as long as the assembler supports them.

diff --git a/memcheck/tests/amd64/rh2257546_256.vgtest b/memcheck/tests/amd64/rh2257546_256.vgtest
index 86eef8fe266bc10ff6b9d98776ca3d839bcb2446..0d3895db9a172e467018231af2590e13a4031562 100644 (file)
--- a/memcheck/tests/amd64/rh2257546_256.vgtest
+++ b/memcheck/tests/amd64/rh2257546_256.vgtest
@@ -1,3 +1,3 @@
-prereq: test -e rh2257546_256
+prereq: ../../../tests/x86_amd64_features amd64-avx
 prog: rh2257546_256
 vgopts: -q