diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f91a45c..13679af0 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2019-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/90106
+	PR testsuite/90517
+	* gcc.dg/cdce1.c: Don't scan-assembler, instead -fdump-tree-optimized
+	and scan-tree-dump for tail call.
+	* gcc.dg/cdce2.c: Likewise.
+
 2019-05-24  Iain Sandoe  <iain@sandoe.co.uk>
 
 	* gcc.target/i386/pconfig-1.c: Scan for the string in the generated
diff --git a/gcc/testsuite/gcc.dg/cdce1.c b/gcc/testsuite/gcc.dg/cdce1.c
index 424d80f..e7d2ca7 100644
--- a/gcc/testsuite/gcc.dg/cdce1.c
+++ b/gcc/testsuite/gcc.dg/cdce1.c
@@ -1,9 +1,9 @@
-/* { dg-do  run  } */
-/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details  -lm" } */
+/* { dg-do run } */
+/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -fdump-tree-optimized -lm" } */
 /* { dg-require-effective-target int32plus } */
-/* { dg-final { scan-tree-dump  "cdce1.c:17: .* function call is shrink-wrapped into error conditions\."  "cdce" } } */
-/* { dg-final { scan-assembler     "jmp pow" } } */
 /* { dg-require-effective-target large_double } */
+/* { dg-final { scan-tree-dump "cdce1.c:17: \[^\n\r]* function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump "pow \\(\[^\n\r]*\\); \\\[tail call\\\]" "optimized" } } */
 
 #include <stdlib.h>
 #include <math.h>
diff --git a/gcc/testsuite/gcc.dg/cdce2.c b/gcc/testsuite/gcc.dg/cdce2.c
index 2af2893..7924973 100644
--- a/gcc/testsuite/gcc.dg/cdce2.c
+++ b/gcc/testsuite/gcc.dg/cdce2.c
@@ -1,8 +1,8 @@
-/* { dg-do  run  } */
+/* { dg-do run } */
 /* { dg-skip-if "doubles are floats" { "avr-*-*" } } */
-/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details  -lm" } */
-/* { dg-final { scan-tree-dump  "cdce2.c:16: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
-/* { dg-final { scan-assembler "jmp log" } } */
+/* { dg-options "-O2 -fmath-errno -fdump-tree-cdce-details -fdump-tree-optimized -lm" } */
+/* { dg-final { scan-tree-dump "cdce2.c:16: \[^\n\r]* function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump "log \\(\[^\n\r]*\\); \\\[tail call\\\]" "optimized" } } */
  
 #include <stdlib.h>
 #include <math.h>