Index: src/runtime/lookup-asm/lookup-asm-ppc-elf.S
==================================================================
--- src/runtime/lookup-asm/lookup-asm-ppc-elf.S
+++ src/runtime/lookup-asm/lookup-asm-ppc-elf.S
@@ -31,13 +31,13 @@
 	lwz	%r5, 32(%r5)
 
 .Lmain_\name:
 	lwz	%r8, 0(%r4)
 #ifdef OF_SELUID24
-	rlwinm	%r6, %r8, -14, 0x3FC
+	rlwinm	%r6, %r8, 18, 0x3FC
 #endif
-	rlwinm	%r7, %r8, -6, 0x3FC
+	rlwinm	%r7, %r8, 26, 0x3FC
 	rlwinm	%r8, %r8, 2, 0x3FC
 
 #ifdef OF_SELUID24
 	lwzx	%r5, %r5, %r6
 #endif

Index: src/runtime/lookup-asm/lookup-asm-ppc-macho.S
==================================================================
--- src/runtime/lookup-asm/lookup-asm-ppc-macho.S
+++ src/runtime/lookup-asm/lookup-asm-ppc-macho.S
@@ -31,13 +31,13 @@
 	lwz	r5, 32(r5)
 
 Lmain_$0:
 	lwz	r8, 0(r4)
 #ifdef OF_SELUID24
-	rlwinm	r6, r8, -14, 0x3FC
+	rlwinm	r6, r8, 18, 0x3FC
 #endif
-	rlwinm	r7, r8, -6, 0x3FC
+	rlwinm	r7, r8, 26, 0x3FC
 	rlwinm	r8, r8, 2, 0x3FC
 
 #ifdef OF_SELUID24
 	lwzx	r5, r5, r6
 #endif