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-rw-r--r--sysdeps/alpha/ffs.S7
1 files changed, 7 insertions, 0 deletions
diff --git a/sysdeps/alpha/ffs.S b/sysdeps/alpha/ffs.S
index b84a51d326..959d1046d4 100644
--- a/sysdeps/alpha/ffs.S
+++ b/sysdeps/alpha/ffs.S
@@ -27,7 +27,14 @@ architecture.  */
         .set noat
 
 ENTRY(ffs)
+#ifdef PROF
+	ldgp	gp, 0(pv)
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
+	.prologue 1
+#else
 	.prologue 0
+#endif
 
 	ldq_u	zero, 0(sp)	# on the 21064, this helps dual-issuing
 	addl	a0, zero, a0	# the last insn and reduces the stall