i386: Fix *pushsi2_rex64 constraints [PR95238]

2020-05-20  Uroš Bizjak  <ubizjak@gmail.com>

gcc/ChangeLog:
	PR target/95238
	* config/i386/i386.md (*pushsi2_rex64):
	Use "e" constraint instead of "i".

gcc/ChangeLog

+2020-05-20  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/95238
+	* config/i386/i386.md (*pushsi2_rex64):
+	Use "e" constraint instead of "i".
+
 2020-05-20  Jan Hubicka  <hubicka@ucw.cz>
 	* lto-streamer-in.c (lto_input_scc): Add SHARED_SCC parameter.

gcc/config/i386/i386.md

@@ -1750,7 +1750,7 @@
 ;; For TARGET_64BIT we always round up to 8 bytes.
 (define_insn "*pushsi2_rex64"
   [(set (match_operand:SI 0 "push_operand" "=X,X")
-	(match_operand:SI 1 "nonmemory_no_elim_operand" "ri,*v"))]
+	(match_operand:SI 1 "nonmemory_no_elim_operand" "re,*v"))]
   "TARGET_64BIT"
   "@
    push{q}\t%q1