backport: re PR target/60909 (ICE: in extract_insn, at recog.c:2202 (unrecognizable...

        Backport from mainline
        2014-04-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/60909
        * config/i386/i386.c (ix86_expand_builtin)
        <case IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Use temporary
        register for target RTX.
        <case IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Ditto.

testsuite/ChangeLog:

        Backport from mainline
        2014-04-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/60909
        * gcc.target/i386/pr60909-1.c: New test.
        * gcc.target/i386/pr60909-2.c: Ditto.

From-SVN: r209715

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6ef4c16b38806cf6da9efa67f19b0d2ff64f049f..73f7a5936764c9e332885706fb5c4e1c7f84e95c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,14 @@
+2014-04-23  Uros Bizjak  <ubizjak@gmail.com>
+
+       Backport from mainline
+       2014-04-21  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/60909
+       * config/i386/i386.c (ix86_expand_builtin)
+       <case IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Use temporary
+       register for target RTX.
+       <case IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Ditto.
+
 2014-04-23  Richard Biener  <rguenther@suse.de>
 
        Backport from mainline

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index e3d45a69f4b1865d2aeda3f39d84b01af9a54179..6243f106788164485a45f0e7562d8fd2fbe156fe 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -32059,7 +32059,8 @@ rdrand_step:
       else
        op2 = gen_rtx_SUBREG (SImode, op0, 0);
 
-      if (target == 0)
+      if (target == 0
+         || !register_operand (target, SImode))
        target = gen_reg_rtx (SImode);
 
       pat = gen_rtx_GEU (VOIDmode, gen_rtx_REG (CCCmode, FLAGS_REG),
@@ -32101,7 +32102,8 @@ rdseed_step:
                          const0_rtx);
       emit_insn (gen_rtx_SET (VOIDmode, op2, pat));
 
-      if (target == 0)
+      if (target == 0
+         || !register_operand (target, SImode))
         target = gen_reg_rtx (SImode);
 
       emit_insn (gen_zero_extendqisi2 (target, op2));

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index daa6363d5e213d9c0a202af8600d43bae8ba8f66..b0331f3e1fda8d22388bbb128bc327cb9b722e12 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2014-04-23  Uros Bizjak  <ubizjak@gmail.com>
+
+       Backport from mainline
+       2014-04-21  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/60909
+       * gcc.target/i386/pr60909-1.c: New test.
+       * gcc.target/i386/pr60909-2.c: Ditto.
+
 2014-04-23  Richard Biener  <rguenther@suse.de>
 
        Backport from mainline

diff --git a/gcc/testsuite/gcc.target/i386/pr60909-1.c b/gcc/testsuite/gcc.target/i386/pr60909-1.c
new file mode 100644 (file)
index 0000000..5a1ac3c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr60909-1.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-mrdrnd" } */
+
+extern void bar (int);
+
+void
+foo (unsigned *u)
+{
+  int i = __builtin_ia32_rdrand32_step (u);
+  bar (i);
+}

diff --git a/gcc/testsuite/gcc.target/i386/pr60909-2.c b/gcc/testsuite/gcc.target/i386/pr60909-2.c
new file mode 100644 (file)
index 0000000..dd35668
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr60909-2.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-mrdseed" } */
+
+extern void bar (int);
+
+void
+foo (unsigned *u)
+{
+  int i = __builtin_ia32_rdseed_si_step (u);
+  bar (i);
+}