From: Cary Coutant <ccoutant@google.com>
Date: Tue, 2 Jul 2013 22:18:39 +0000 (+0000)
Subject: dwarf2out.c (loc_checksum): Call hash_loc_operands for a deterministic hash.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4b043553715e4e8ef8c38806f05452dfb0d744f0;p=gcc.git

dwarf2out.c (loc_checksum): Call hash_loc_operands for a deterministic hash.

gcc/
	* dwarf2out.c (loc_checksum): Call hash_loc_operands for a
	deterministic hash.
	(loc_checksum_ordered): Likewise.
	(hash_loc_operands): Remove inline keyword.

From-SVN: r200626
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e3b19141dba..82ca731e229 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2013-07-02  Cary Coutant  <ccoutant@google.com>
+
+	* dwarf2out.c (loc_checksum): Call hash_loc_operands for a
+	deterministic hash.
+	(loc_checksum_ordered): Likewise.
+	(hash_loc_operands): Remove inline keyword.
+
 2013-07-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/57741
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index f42ad66353b..c3ae926ee7a 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -3214,6 +3214,8 @@ static void gen_scheduled_generic_parms_dies (void);
 
 static const char *comp_dir_string (void);
 
+static hashval_t hash_loc_operands (dw_loc_descr_ref, hashval_t);
+
 /* enum for tracking thread-local variables whose address is really an offset
    relative to the TLS pointer, which will need link-time relocation, but will
    not need relocation by the DWARF consumer.  */
@@ -5437,11 +5439,12 @@ static inline void
 loc_checksum (dw_loc_descr_ref loc, struct md5_ctx *ctx)
 {
   int tem;
+  hashval_t hash = 0;
 
   tem = (loc->dtprel << 8) | ((unsigned int) loc->dw_loc_opc);
   CHECKSUM (tem);
-  CHECKSUM (loc->dw_loc_oprnd1);
-  CHECKSUM (loc->dw_loc_oprnd2);
+  hash = hash_loc_operands (loc, hash);
+  CHECKSUM (hash);
 }
 
 /* Calculate the checksum of an attribute.  */
@@ -5643,9 +5646,12 @@ loc_checksum_ordered (dw_loc_descr_ref loc, struct md5_ctx *ctx)
   /* Otherwise, just checksum the raw location expression.  */
   while (loc != NULL)
     {
+      hashval_t hash = 0;
+
+      CHECKSUM_ULEB128 (loc->dtprel);
       CHECKSUM_ULEB128 (loc->dw_loc_opc);
-      CHECKSUM (loc->dw_loc_oprnd1);
-      CHECKSUM (loc->dw_loc_oprnd2);
+      hash = hash_loc_operands (loc, hash);
+      CHECKSUM (hash);
       loc = loc->dw_loc_next;
     }
 }
@@ -23107,7 +23113,7 @@ resolve_addr (dw_die_ref die)
 
 /* Iteratively hash operands of LOC opcode.  */
 
-static inline hashval_t
+static hashval_t
 hash_loc_operands (dw_loc_descr_ref loc, hashval_t hash)
 {
   dw_val_ref val1 = &loc->dw_loc_oprnd1;