add upstream fix for PR81481 (r253300 excluding changelog diff); rel 4

for more details see:
  https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81481
  https://bugzilla.opensuse.org/show_bug.cgi?id=1048861

diff --git a/gcc-pr81481.patch b/gcc-pr81481.patch
new file mode 100644 (file)
index 0000000..c2e5f13
--- /dev/null
+++ b/gcc-pr81481.patch
@@ -0,0 +1,39 @@
+Index: gcc/testsuite/gcc.target/i386/pr81481.c
+===================================================================
+--- gcc/testsuite/gcc.target/i386/pr81481.c    (nonexistent)
++++ gcc/testsuite/gcc.target/i386/pr81481.c    (revision 253300)
+@@ -0,0 +1,18 @@
++/* { dg-do compile } */
++/* { dg-require-effective-target ssse3 } */
++/* { dg-options "-O2 -fpic -mssse3" } */
++/* { dg-final { scan-assembler-not "pshufb\[ \t\]\\(%esp\\)" } } */
++#include <immintrin.h>
++
++extern const signed char c[31] __attribute__((visibility("hidden")));
++
++__m128i f(__m128i *x, void *v)
++{
++  int i;
++  asm("# %0" : "=r"(i));
++  __m128i t = _mm_loadu_si128((void*)&c[i]);
++  __m128i xx = *x;
++  xx =  _mm_shuffle_epi8(xx, t);
++  asm("# %0 %1 %2" : "+x"(xx) : "r"(c), "r"(i));
++  return xx;
++}
+Index: gcc/ira-costs.c
+===================================================================
+--- gcc/ira-costs.c    (revision 253299)
++++ gcc/ira-costs.c    (revision 253300)
+@@ -1471,7 +1471,10 @@
+             && targetm.legitimate_constant_p (GET_MODE (SET_DEST (set)),
+                                               XEXP (note, 0))
+             && REG_N_SETS (REGNO (SET_DEST (set))) == 1))
+-      && general_operand (SET_SRC (set), GET_MODE (SET_SRC (set))))
++      && general_operand (SET_SRC (set), GET_MODE (SET_SRC (set)))
++      /* LRA does not use equiv with a symbol for PIC code.  */
++      && (! ira_use_lra_p || ! pic_offset_table_rtx
++        || ! contains_symbol_ref_p (XEXP (note, 0))))
+     {
+       enum reg_class cl = GENERAL_REGS;
+       rtx reg = SET_DEST (set);

diff --git a/gcc.spec b/gcc.spec
index f8096db8af7037a3a551214dd4b7d57ca03aeda5..3424c03d19675abf84d8e2edd3601964e561f6ab 100644 (file)
--- a/gcc.spec
+++ b/gcc.spec
@@ -105,7 +105,7 @@ Summary(pl.UTF-8):  Kolekcja kompilatorów GNU: kompilator C i pliki współdziel
 Summary(pt_BR.UTF-8):  Coleção dos compiladores GNU: o compilador C e arquivos compartilhados
 Name:          gcc
 Version:       %{major_ver}.%{minor_ver}
-Release:       3
+Release:       4
 Epoch:         6
 License:       GPL v3+
 Group:         Development/Languages
@@ -123,6 +123,7 @@ Patch2:             %{name}-nodebug.patch
 Patch3:                %{name}-ada-link.patch
 Patch4:                %{name}-ada-x32.patch
 Patch5:                Revert-eeb6872bf.patch
+Patch6:                %{name}-pr81481.patch
 
 Patch10:       %{name}-moresparcs.patch
 Patch11:       %{name}-install-libffi.patch
@@ -2803,6 +2804,7 @@ Extensions dla języka C.
 %patch3 -p1
 %patch4 -p1
 %patch5 -p1
+%patch6 -p0
 
 %patch10 -p1
 %if %{with gcc_libffi}