re PR target/77324 (ICE in push_reload, at reload.c:1350)

	PR target/77324
	* config/sparc/sparc.c (sparc_legitimate_address_p): Accept special
	HIGH+LO construct during reload.

From-SVN: r239807

gcc/ChangeLog

+2016-08-28  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR target/77324
+	* config/sparc/sparc.c (sparc_legitimate_address_p): Accept special
+	HIGH+LO construct during reload.
+
 2016-08-28  Tom de Vries  <tom@codesourcery.com>
 
 	PR lto/70955

gcc/config/sparc/sparc.c

@@ -4039,6 +4039,13 @@ sparc_legitimate_address_p (machine_mode mode, rtx addr, bool strict)
 	 than the alignment (8) may cause the LO_SUM to overflow.  */
       if (mode == TFmode && TARGET_ARCH32)
 	return 0;
+
+      /* During reload, accept the HIGH+LO_SUM construct generated by
+	 sparc_legitimize_reload_address.  */
+      if (reload_in_progress
+	  && GET_CODE (rs1) == HIGH
+	  && XEXP (rs1, 0) == imm1)
+	return 1;
     }
   else if (GET_CODE (addr) == CONST_INT && SMALL_INT (addr))
     return 1;