diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 89b908f64d801e2753edbcc1bdc03acf81015681..977e7664b62e882337f9fe8b641aaa5da129278f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2020-05-21  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR target/95260
+	* config/i386/cpuid.h: Use hexadecimal in comments.
+
 2020-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR target/95212
diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
index 9fee32a8f1df08dd8f635027ffa8ac0a11dacb57..94af4910d3c8fc317346fb33d6eade1f1bcb5ec2 100644
--- a/gcc/config/i386/cpuid.h
+++ b/gcc/config/i386/cpuid.h
@@ -125,16 +125,16 @@
 #define bit_SERIALIZE	(1 << 14)
 #define bit_TSXLDTRK    (1 << 16)
 
-/* XFEATURE_ENABLED_MASK register bits (%eax == 13, %ecx == 0) */
+/* XFEATURE_ENABLED_MASK register bits (%eax == 0xd, %ecx == 0) */
 #define bit_BNDREGS     (1 << 3)
 #define bit_BNDCSR      (1 << 4)
 
-/* Extended State Enumeration Sub-leaf (%eax == 13, %ecx == 1) */
+/* Extended State Enumeration Sub-leaf (%eax == 0xd, %ecx == 1) */
 #define bit_XSAVEOPT	(1 << 0)
 #define bit_XSAVEC	(1 << 1)
 #define bit_XSAVES	(1 << 3)
 
-/* PT sub leaf (%eax == 14, %ecx == 0) */
+/* PT sub leaf (%eax == 0x14, %ecx == 0) */
 /* %ebx */
 #define bit_PTWRITE	(1 << 4)