Get Gentoo!
gentoo.org sites
gentoo.org Wiki Bugs Forums Packages
Planet Archives Sources
Infra Status
aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--4.9.3/gentoo/36_all_gcc-ia64-pr60465.patch149
-rw-r--r--4.9.3/gentoo/README.history3
-rw-r--r--5.3.0/gentoo/36_all_gcc-ia64-pr60465.patch149
-rw-r--r--5.3.0/gentoo/README.history3
4 files changed, 304 insertions, 0 deletions
diff --git a/4.9.3/gentoo/36_all_gcc-ia64-pr60465.patch b/4.9.3/gentoo/36_all_gcc-ia64-pr60465.patch
new file mode 100644
index 0000000..9db2c5a
--- /dev/null
+++ b/4.9.3/gentoo/36_all_gcc-ia64-pr60465.patch
@@ -0,0 +1,149 @@
+https://bugs.gentoo.org/503838
+https://gcc.gnu.org/PR60465
+
+From 17cf10c6dd2cb018df19f635371d2f13b326e42a Mon Sep 17 00:00:00 2001
+From: vapier <vapier@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Tue, 19 Jan 2016 23:15:12 +0000
+Subject: [PATCH] ia64: don't use dynamic relocations for local symbols
+
+Backported from trunk for PR other/60465.
+
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@232595 138bc75d-0d04-0410-961f-82ee72b054a4
+---
+ gcc/ChangeLog | 9 ++++++++
+ gcc/config/ia64/ia64.c | 9 ++++++++
+ gcc/config/ia64/predicates.md | 26 +++++++++++++++++++++
+ gcc/testsuite/ChangeLog | 7 ++++++
+ .../gcc.target/ia64/pr60465-gprel64-c37.c | 10 ++++++++
+ gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c | 27 ++++++++++++++++++++++
+ 6 files changed, 88 insertions(+)
+ create mode 100644 gcc/testsuite/gcc.target/ia64/pr60465-gprel64-c37.c
+ create mode 100644 gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c
+
+2016-01-19 Sergei Trofimovich <siarheit@google.com>
+
+ Backport from mainline
+ PR other/60465
+ * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
+ for local symbolic operands.
+ * config/ia64/predicates.md (local_symbolic_operand64): New
+ predicate.
+
+diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
+index 229a0f3..82d9644 100644
+--- a/gcc/config/ia64/ia64.c
++++ b/gcc/config/ia64/ia64.c
+@@ -1100,6 +1100,15 @@ ia64_expand_load_address (rtx dest, rtx src)
+ emit_insn (gen_load_fptr (dest, src));
+ else if (sdata_symbolic_operand (src, VOIDmode))
+ emit_insn (gen_load_gprel (dest, src));
++ else if (local_symbolic_operand64 (src, VOIDmode))
++ {
++ /* We want to use @gprel rather than @ltoff relocations for local
++ symbols:
++ - @gprel does not require dynamic linker
++ - and does not use .sdata section
++ https://gcc.gnu.org/bugzilla/60465 */
++ emit_insn (gen_load_gprel64 (dest, src));
++ }
+ else
+ {
+ HOST_WIDE_INT addend = 0;
+diff --git a/gcc/config/ia64/predicates.md b/gcc/config/ia64/predicates.md
+index 989c550..6bd5d0c 100644
+--- a/gcc/config/ia64/predicates.md
++++ b/gcc/config/ia64/predicates.md
+@@ -92,6 +92,32 @@
+ }
+ })
+
++;; True if OP refers to a local symbol [+any offset].
++;; To be encoded as:
++;; movl % = @gprel(symbol+offset)
++;; add % = %, gp
++(define_predicate "local_symbolic_operand64"
++ (match_code "symbol_ref,const")
++{
++ switch (GET_CODE (op))
++ {
++ case CONST:
++ op = XEXP (op, 0);
++ if (GET_CODE (op) != PLUS
++ || GET_CODE (XEXP (op, 0)) != SYMBOL_REF
++ || GET_CODE (XEXP (op, 1)) != CONST_INT)
++ return false;
++ op = XEXP (op, 0);
++ /* FALLTHRU */
++
++ case SYMBOL_REF:
++ return SYMBOL_REF_LOCAL_P (op);
++
++ default:
++ gcc_unreachable ();
++ }
++})
++
+ ;; True if OP refers to a symbol in the small address area.
+ (define_predicate "small_addr_symbolic_operand"
+ (match_code "symbol_ref,const")
+
+2016-01-19 Sergei Trofimovich <siarheit@google.com>
+
+ Backport from mainline
+ PR other/60465
+ * gcc.target/ia64/pr60465-gprel64.c: New test.
+ * gcc.target/ia64/pr60465-gprel64-c37.c: New test.
+
+diff --git a/gcc/testsuite/gcc.target/ia64/pr60465-gprel64-c37.c b/gcc/testsuite/gcc.target/ia64/pr60465-gprel64-c37.c
+new file mode 100644
+index 0000000..a7e6809
+--- /dev/null
++++ b/gcc/testsuite/gcc.target/ia64/pr60465-gprel64-c37.c
+@@ -0,0 +1,10 @@
++/* { dg-do compile { target ia64-*-* } } */
++/* { dg-options "-O2 -fpic" } */
++/* { dg-final { scan-assembler-not "@ltoffx" } } */
++
++/* A bit of https://bugzilla.redhat.com/show_bug.cgi?id=33354
++ where many stores to static variables overflow .sdata */
++
++static const char *s90;
++void f() { s90 = "string 90"; }
++const char * g() { return s90; }
+diff --git a/gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c b/gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c
+new file mode 100644
+index 0000000..c00ecc9
+--- /dev/null
++++ b/gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c
+@@ -0,0 +1,27 @@
++/* { dg-do compile { target ia64-*-* } } */
++/* { dg-options "-O2 -fpic" } */
++/* { dg-final { scan-assembler-not "@ltoffx" } } */
++
++/* Test imitates early ld.so setup in glibc
++ where no dynamic relocations must be present. */
++
++struct rtld_global
++{
++ long *p[77];
++};
++
++struct rtld_global _rtld_local __attribute__ ((visibility ("hidden"), section (".sdata")));
++
++static void __attribute__ ((unused, noinline))
++elf_get_dynamic_info (struct rtld_global * g, long * dyn)
++{
++ long **info = g->p;
++
++ info[(0x6ffffeff - *dyn) + 66] = dyn;
++}
++
++void __attribute__ ((unused, noinline))
++_dl_start (long * dyn)
++{
++ elf_get_dynamic_info(&_rtld_local, dyn);
++}
+--
+2.6.2
+
diff --git a/4.9.3/gentoo/README.history b/4.9.3/gentoo/README.history
index f3fe6ed..75c1385 100644
--- a/4.9.3/gentoo/README.history
+++ b/4.9.3/gentoo/README.history
@@ -1,3 +1,6 @@
+1.6 [pending]
+ + 36_all_gcc-ia64-pr60465.patch
+
1.5 12 Jan 2016
+ 92_all_gcc-4.9-hwloops-ICE-pr63681.patch
diff --git a/5.3.0/gentoo/36_all_gcc-ia64-pr60465.patch b/5.3.0/gentoo/36_all_gcc-ia64-pr60465.patch
new file mode 100644
index 0000000..4aaf51a
--- /dev/null
+++ b/5.3.0/gentoo/36_all_gcc-ia64-pr60465.patch
@@ -0,0 +1,149 @@
+https://bugs.gentoo.org/503838
+https://gcc.gnu.org/PR60465
+
+From baa1cebceba62edf9d0dace8094f5162e07b1651 Mon Sep 17 00:00:00 2001
+From: vapier <vapier@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Tue, 19 Jan 2016 23:12:22 +0000
+Subject: [PATCH] ia64: don't use dynamic relocations for local symbols
+
+Backported from trunk for PR other/60465.
+
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@232594 138bc75d-0d04-0410-961f-82ee72b054a4
+---
+ gcc/ChangeLog | 9 ++++++++
+ gcc/config/ia64/ia64.c | 9 ++++++++
+ gcc/config/ia64/predicates.md | 26 +++++++++++++++++++++
+ gcc/testsuite/ChangeLog | 7 ++++++
+ .../gcc.target/ia64/pr60465-gprel64-c37.c | 10 ++++++++
+ gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c | 27 ++++++++++++++++++++++
+ 6 files changed, 88 insertions(+)
+ create mode 100644 gcc/testsuite/gcc.target/ia64/pr60465-gprel64-c37.c
+ create mode 100644 gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c
+
+2016-01-19 Sergei Trofimovich <siarheit@google.com>
+
+ Backport from mainline
+ PR other/60465
+ * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
+ for local symbolic operands.
+ * config/ia64/predicates.md (local_symbolic_operand64): New
+ predicate.
+
+diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
+index 21da9e2..cf42b0d 100644
+--- a/gcc/config/ia64/ia64.c
++++ b/gcc/config/ia64/ia64.c
+@@ -1146,6 +1146,15 @@ ia64_expand_load_address (rtx dest, rtx src)
+ emit_insn (gen_load_fptr (dest, src));
+ else if (sdata_symbolic_operand (src, VOIDmode))
+ emit_insn (gen_load_gprel (dest, src));
++ else if (local_symbolic_operand64 (src, VOIDmode))
++ {
++ /* We want to use @gprel rather than @ltoff relocations for local
++ symbols:
++ - @gprel does not require dynamic linker
++ - and does not use .sdata section
++ https://gcc.gnu.org/bugzilla/60465 */
++ emit_insn (gen_load_gprel64 (dest, src));
++ }
+ else
+ {
+ HOST_WIDE_INT addend = 0;
+diff --git a/gcc/config/ia64/predicates.md b/gcc/config/ia64/predicates.md
+index 2aa7a78..2e148f2e 100644
+--- a/gcc/config/ia64/predicates.md
++++ b/gcc/config/ia64/predicates.md
+@@ -97,6 +97,32 @@
+ }
+ })
+
++;; True if OP refers to a local symbol [+any offset].
++;; To be encoded as:
++;; movl % = @gprel(symbol+offset)
++;; add % = %, gp
++(define_predicate "local_symbolic_operand64"
++ (match_code "symbol_ref,const")
++{
++ switch (GET_CODE (op))
++ {
++ case CONST:
++ op = XEXP (op, 0);
++ if (GET_CODE (op) != PLUS
++ || GET_CODE (XEXP (op, 0)) != SYMBOL_REF
++ || GET_CODE (XEXP (op, 1)) != CONST_INT)
++ return false;
++ op = XEXP (op, 0);
++ /* FALLTHRU */
++
++ case SYMBOL_REF:
++ return SYMBOL_REF_LOCAL_P (op);
++
++ default:
++ gcc_unreachable ();
++ }
++})
++
+ ;; True if OP refers to a symbol in the small address area.
+ (define_predicate "small_addr_symbolic_operand"
+ (match_code "symbol_ref,const")
+
+2016-01-19 Sergei Trofimovich <siarheit@google.com>
+
+ Backport from mainline
+ PR other/60465
+ * gcc.target/ia64/pr60465-gprel64.c: New test.
+ * gcc.target/ia64/pr60465-gprel64-c37.c: New test.
+
+diff --git a/gcc/testsuite/gcc.target/ia64/pr60465-gprel64-c37.c b/gcc/testsuite/gcc.target/ia64/pr60465-gprel64-c37.c
+new file mode 100644
+index 0000000..a7e6809
+--- /dev/null
++++ b/gcc/testsuite/gcc.target/ia64/pr60465-gprel64-c37.c
+@@ -0,0 +1,10 @@
++/* { dg-do compile { target ia64-*-* } } */
++/* { dg-options "-O2 -fpic" } */
++/* { dg-final { scan-assembler-not "@ltoffx" } } */
++
++/* A bit of https://bugzilla.redhat.com/show_bug.cgi?id=33354
++ where many stores to static variables overflow .sdata */
++
++static const char *s90;
++void f() { s90 = "string 90"; }
++const char * g() { return s90; }
+diff --git a/gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c b/gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c
+new file mode 100644
+index 0000000..c00ecc9
+--- /dev/null
++++ b/gcc/testsuite/gcc.target/ia64/pr60465-gprel64.c
+@@ -0,0 +1,27 @@
++/* { dg-do compile { target ia64-*-* } } */
++/* { dg-options "-O2 -fpic" } */
++/* { dg-final { scan-assembler-not "@ltoffx" } } */
++
++/* Test imitates early ld.so setup in glibc
++ where no dynamic relocations must be present. */
++
++struct rtld_global
++{
++ long *p[77];
++};
++
++struct rtld_global _rtld_local __attribute__ ((visibility ("hidden"), section (".sdata")));
++
++static void __attribute__ ((unused, noinline))
++elf_get_dynamic_info (struct rtld_global * g, long * dyn)
++{
++ long **info = g->p;
++
++ info[(0x6ffffeff - *dyn) + 66] = dyn;
++}
++
++void __attribute__ ((unused, noinline))
++_dl_start (long * dyn)
++{
++ elf_get_dynamic_info(&_rtld_local, dyn);
++}
+--
+2.6.2
+
diff --git a/5.3.0/gentoo/README.history b/5.3.0/gentoo/README.history
index 10231a6..50321b8 100644
--- a/5.3.0/gentoo/README.history
+++ b/5.3.0/gentoo/README.history
@@ -1,3 +1,6 @@
+1.1 [pending]
+ + 36_all_gcc-ia64-pr60465.patch
+
1.0 05 Dec 2015
+ 05_all_gcc-spec-env.patch
+ 09_all_default-ssp.patch