From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 23 Mar 2018 20:55:40 +0000 (+0100)
Subject: re PR inline-asm/85022 (internal compiler error: in write_dependence_p, at alias... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=532c7a45847f3401e26fa2f07e52613891c80718;p=gcc.git

re PR inline-asm/85022 (internal compiler error: in write_dependence_p, at alias.c:3003)

	PR inline-asm/85022
	* emit-rtl.c (init_emit_regs): Indicate that VOIDmode MEMs don't have
	known size by default.

From-SVN: r258823
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2fd85d7889d..980768a2f59 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-03-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR inline-asm/85022
+	* emit-rtl.c (init_emit_regs): Indicate that VOIDmode MEMs don't have
+	known size by default.
+
 2018-03-23  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR inline-asm/85030
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 4dce18df041..613030fa814 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -6152,7 +6152,7 @@ init_emit_regs (void)
       attrs = ggc_cleared_alloc<mem_attrs> ();
       attrs->align = BITS_PER_UNIT;
       attrs->addrspace = ADDR_SPACE_GENERIC;
-      if (mode != BLKmode)
+      if (mode != BLKmode && mode != VOIDmode)
 	{
 	  attrs->size_known_p = true;
 	  attrs->size = GET_MODE_SIZE (mode);