From: Ilya Enkovich <ienkovich@gcc.gnu.org>
Date: Thu, 26 Nov 2015 11:49:20 +0000 (+0000)
Subject: re PR target/68416 ([MPX] GCC emits a lot of redundant bndmov instructions)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d0470103a9e3432d0ed1a726369b8311631dcfe1;p=gcc.git

re PR target/68416 ([MPX] GCC emits a lot of redundant bndmov instructions)

gcc/

2015-11-26  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/68416
	* config/i386/i386.h (enum reg_class): Add
	bounds registers to ALL_REGS.

gcc/testsuite/

2015-11-26  Ilya Enkovich  <enkovich.gnu@gmail.com>

	PR target/68416
	* gcc.target/i386/mpx/pr68416.c: New test.

From-SVN: r230938
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c021524d79f..55c8820cfe6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-11-26  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR target/68416
+	* config/i386/i386.h (enum reg_class): Add
+	bounds registers to ALL_REGS.
+
 2015-11-26  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/68128
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index ceda4722db9..e69c9cc4563 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -1457,7 +1457,7 @@ enum reg_class
 { 0x1ff1ffff,0xffffffe0,   0x1f },       /* FLOAT_INT_SSE_REGS */        \
        { 0x0,       0x0, 0x1fc0 },       /* MASK_EVEX_REGS */           \
        { 0x0,       0x0, 0x1fe0 },       /* MASK_REGS */                 \
-{ 0xffffffff,0xffffffff, 0x1fff }                                        \
+{ 0xffffffff,0xffffffff,0x1ffff }                                        \
 }
 
 /* The same information, inverted:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 11521371373..6f6cc20ba0e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-11-26  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	PR target/68416
+	* gcc.target/i386/mpx/pr68416.c: New test.
+
 2015-11-26  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/67313
diff --git a/gcc/testsuite/gcc.target/i386/mpx/pr68416.c b/gcc/testsuite/gcc.target/i386/mpx/pr68416.c
new file mode 100644
index 00000000000..10587edf251
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/mpx/pr68416.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mmpx -fcheck-pointer-bounds" } */
+/* { dg-final { scan-assembler-not "bndmov" } } */
+
+int
+foo(int **arr, int i)
+{
+  return (*arr)[i];
+}