From 9852805258de4c870df1f723bf22f21b41ebd6a7 Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Fri, 30 Sep 2011 05:11:04 +0000
Subject: 	PR ld/13235 bfd/ 	* elf64-ppc.c (struct
 ppc64_elf_obj_tdata): Add ha_relocs_not_using_r2. 	(ppc64_elf_edit_toc):
 Check HA relocs. 	(ha_reloc_match): Delete function. 
 (ppc64_elf_relocate_section): Remove delayed HA nop optimization. 
 Instead do it and low part optimization based on 
 ha_relocs_not_using_r2. ld/testsuite/ 	* ld-powerpc/tocopt.d: Update. 	*
 ld-powerpc/tocopt5.d, * ld-powerpc/tocopt5.s: New test. 	*
 ld-powerpc/powerpc.exp: Run new test.

---
 ld/testsuite/ChangeLog              |  6 ++++++
 ld/testsuite/ld-powerpc/powerpc.exp |  2 ++
 ld/testsuite/ld-powerpc/tocopt.d    |  8 +++----
 ld/testsuite/ld-powerpc/tocopt5.d   | 13 +++++++++++
 ld/testsuite/ld-powerpc/tocopt5.s   | 43 +++++++++++++++++++++++++++++++++++++
 5 files changed, 68 insertions(+), 4 deletions(-)
 create mode 100644 ld/testsuite/ld-powerpc/tocopt5.d
 create mode 100644 ld/testsuite/ld-powerpc/tocopt5.s

(limited to 'ld')

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index be38879..54428dd 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2011-09-30  Alan Modra  <amodra@gmail.com>
+
+	* ld-powerpc/tocopt.d: Update.
+	* ld-powerpc/tocopt5.d, * ld-powerpc/tocopt5.s: New test.
+	* ld-powerpc/powerpc.exp: Run new test.
+
 2011-09-16  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* ld-elf/pr12975.d: Only run for *-*-linux* and *-*-gnu*
diff --git a/ld/testsuite/ld-powerpc/powerpc.exp b/ld/testsuite/ld-powerpc/powerpc.exp
index 5ec36b2..7f9e7fa 100644
--- a/ld/testsuite/ld-powerpc/powerpc.exp
+++ b/ld/testsuite/ld-powerpc/powerpc.exp
@@ -211,6 +211,8 @@ set ppc64elftests {
 	{{objdump -s tocopt3.d}} "tocopt3"}
     {"TOC opt4" "-melf64ppc -no-keep-memory --defsym x=2" "-a64"
         {tocopt4a.s tocopt4b.s} {{objdump -s tocopt4.d}} "tocopt4"}
+    {"TOC opt5" "-melf64ppc" "-a64"  {tocopt5.s}
+	{{objdump -s tocopt5.d}} "tocopt5"}
 }
 
 
diff --git a/ld/testsuite/ld-powerpc/tocopt.d b/ld/testsuite/ld-powerpc/tocopt.d
index 9168661..f447f70 100644
--- a/ld/testsuite/ld-powerpc/tocopt.d
+++ b/ld/testsuite/ld-powerpc/tocopt.d
@@ -2,10 +2,10 @@
 .*:     file format .*
 
 Contents of section \.text:
- 100000b0 60000000 e9228018 60000000 38a28020  .*
- 100000c0 e8c50000 60000000 3ba08028 7c62e82a  .*
- 100000d0 60000000 39228033 60000000 38a28008  .*
- 100000e0 e8c50000 60000000 3ba08010 7c62e82a  .*
+ 100000b0 3d220000 e9298018 3c820000 38a48020  .*
+ 100000c0 e8c50000 3fa00000 3bbd8028 7c62e82a  .*
+ 100000d0 3d220000 39298033 3c820000 38a48008  .*
+ 100000e0 e8c50000 3fa00000 3bbd8010 7c62e82a  .*
 Contents of section \.got:
  100100f0 00000000 100180f0 00000000 10010124  .*
  10010100 00000000 10010125 00000000 10010120  .*
diff --git a/ld/testsuite/ld-powerpc/tocopt5.d b/ld/testsuite/ld-powerpc/tocopt5.d
new file mode 100644
index 0000000..8f03c07
--- /dev/null
+++ b/ld/testsuite/ld-powerpc/tocopt5.d
@@ -0,0 +1,13 @@
+
+.*:     file format .*
+
+Contents of section \.text:
+ 100000b0 60000000 e9228018 60000000 38a28020  .*
+ 100000c0 e8c50000 60000000 3922802b 60000000  .*
+ 100000d0 38a28008 e8c50000                    .*
+Contents of section \.got:
+ 100100d8 00000000 100180d8 00000000 10010104  .*
+ 100100e8 00000000 10010105 00000000 10010100  .*
+ 100100f8 00000000 10010101                    .*
+Contents of section \.sdata:
+ 10010100 01020304 0506                        .*
diff --git a/ld/testsuite/ld-powerpc/tocopt5.s b/ld/testsuite/ld-powerpc/tocopt5.s
new file mode 100644
index 0000000..67da1a9
--- /dev/null
+++ b/ld/testsuite/ld-powerpc/tocopt5.s
@@ -0,0 +1,43 @@
+ .section .toc,"aw"
+x4t:
+ .quad x4
+x5t:
+ .quad x5
+x6t:
+ .quad x6
+
+ .section .sdata,"aw"
+x1:
+ .byte 1
+x2:
+ .byte 2
+x3:
+ .byte 3
+x4:
+ .byte 4
+x5:
+ .byte 5
+x6:
+ .byte 6
+
+ .globl _start
+ .text
+_start:
+# no need for got entry, optimise to nop,addi
+# note: ld doesn't yet do got optimisation, so we get nop,ld
+ addis 9,2,x1@got@ha
+ ld 9,x1@got@l(9)
+# must keep got entry, optimise to nop,addi,ld
+ addis 4,2,x2@got@ha
+ addi 5,4,x2@got@l
+ ld 6,0(5)
+
+# no need for toc entry, optimise to nop,addi
+ addis 9,2,x4t@toc@ha
+ ld 9,x4t@toc@l(9)
+# must keep toc entry, optimise to nop,addi,ld
+# if we had a reloc tying the ld to x5/x5t then we could throw away
+# the toc entry and optimise to nop,nop,addi
+ addis 4,2,x5t@toc@ha
+ addi 5,4,x5t@toc@l
+ ld 6,0(5)
-- 
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