--- mesa-21.3.8/src/gallium/auxiliary/gallivm/lp_bld_init.c.orig	2022-03-18 20:26:47.000000000 +0100
+++ mesa-21.3.8/src/gallium/auxiliary/gallivm/lp_bld_init.c	2022-05-25 11:57:47.748601330 +0200
@@ -477,6 +477,7 @@
 #endif
 
 #ifdef PIPE_ARCH_PPC_64
+#ifdef _ARCH_PWR5
    /* Set the NJ bit in VSCR to 0 so denormalized values are handled as
     * specified by IEEE standard (PowerISA 2.06 - Section 6.3). This guarantees
     * that some rounding and half-float to float handling does not round
@@ -497,6 +498,7 @@
       );
    }
 #endif
+#endif
 
    gallivm_initialized = TRUE;