+2008-05-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/35767
+ PR target/35771
+ * config/i386/i386.c (ix86_function_arg_boundary): Use
+ alignment of canonical type.
+ (ix86_expand_vector_move): Check unaligned memory access for
+ all SSE modes.
+
2008-05-27 H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (current_fde): Change return type to dw_fde_ref.
{
int align;
if (type)
- align = TYPE_ALIGN (type);
+ {
+ if (TYPE_STRUCTURAL_EQUALITY_P (type))
+ align = TYPE_ALIGN (type);
+ else
+ align = TYPE_ALIGN (TYPE_CANONICAL (type));
+ }
else
align = GET_MODE_ALIGNMENT (mode);
if (align < PARM_BOUNDARY)
&& standard_sse_constant_p (op1) <= 0)
op1 = validize_mem (force_const_mem (mode, op1));
- /* TDmode values are passed as TImode on the stack. TImode values
- are moved via xmm registers, and moving them to stack can result in
- unaligned memory access. Use ix86_expand_vector_move_misalign()
- if memory operand is not aligned correctly. */
+ /* We need to check memory alignment for SSE mode since attribute
+ can make operands unaligned. */
if (can_create_pseudo_p ()
- && (mode == TImode) && !TARGET_64BIT
+ && SSE_REG_MODE_P (mode)
&& ((MEM_P (op0) && (MEM_ALIGN (op0) < align))
|| (MEM_P (op1) && (MEM_ALIGN (op1) < align))))
{
+2008-05-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/35767
+ PR target/35771
+ * gcc.target/i386/pr35767-1.c: New.
+ * gcc.target/i386/pr35767-1d.c: Likewise.
+ * gcc.target/i386/pr35767-1i.c: Likewise.
+ * gcc.target/i386/pr35767-2.c: Likewise.
+ * gcc.target/i386/pr35767-2d.c: Likewise.
+ * gcc.target/i386/pr35767-2i.c: Likewise.
+ * gcc.target/i386/pr35767-3.c: Likewise.
+ * gcc.target/i386/pr35767-4.c: Likewise.
+ * gcc.target/i386/pr35767-5.c: Likewise.
+
2008-05-27 Tobias Burnus <burnus@net-b.de>
* gfortran.dg/assignment_3.f90: Add missing cleanup-modules.
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -msse2" } */
+
+#include "sse2-check.h"
+
+typedef struct { __m128 f __attribute__((packed)); } packed;
+
+__m128 __attribute__((noinline))
+foo (__m128 a1, __m128 a2, __m128 a3, __m128 a4,
+ __m128 a5, __m128 a6, __m128 a7, __m128 a8,
+ int b1, int b2, int b3, int b4, int b5, int b6, int b7, packed y)
+{
+ return y.f;
+}
+
+void
+sse2_test (void)
+{
+ packed x;
+ __m128 y = { 0 };
+ x.f = y;
+ y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
+ if (__builtin_memcmp (&y, &x.f, sizeof (y)) != 0)
+ abort ();
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -msse2" } */
+
+#include "sse2-check.h"
+
+typedef struct { __m128d f __attribute__((packed)); } packed;
+
+__m128d __attribute__((noinline))
+foo (__m128d a1, __m128d a2, __m128d a3, __m128d a4,
+ __m128d a5, __m128d a6, __m128d a7, __m128d a8,
+ int b1, int b2, int b3, int b4, int b5, int b6, int b7, packed y)
+{
+ return y.f;
+}
+
+void
+sse2_test (void)
+{
+ packed x;
+ __m128d y = { 0 };
+ x.f = y;
+ y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
+ if (__builtin_memcmp (&y, &x.f, sizeof (y)) != 0)
+ abort ();
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -msse2" } */
+
+#include "sse2-check.h"
+
+typedef struct { __m128i f __attribute__((packed)); } packed;
+
+__m128i __attribute__((noinline))
+foo (__m128i a1, __m128i a2, __m128i a3, __m128i a4,
+ __m128i a5, __m128i a6, __m128i a7, __m128i a8,
+ int b1, int b2, int b3, int b4, int b5, int b6, int b7, packed y)
+{
+ return y.f;
+}
+
+void
+sse2_test (void)
+{
+ packed x;
+ __m128i y = { 0 };
+ x.f = y;
+ y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
+ if (__builtin_memcmp (&y, &x.f, sizeof (y)) != 0)
+ abort ();
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -msse2" } */
+
+#include "sse2-check.h"
+
+typedef __m128 __attribute__((aligned(1))) unaligned;
+
+__m128 __attribute__((noinline))
+foo (__m128 a1, __m128 a2, __m128 a3, __m128 a4,
+ __m128 a5, __m128 a6, __m128 a7, __m128 a8,
+ int b1, int b2, int b3, int b4, int b5, int b6, int b7, unaligned y)
+{
+ return y;
+}
+
+void
+sse2_test (void)
+{
+ unaligned x;
+ __m128 y = { 0 };
+ x = y;
+ y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
+ if (__builtin_memcmp (&y, &x, sizeof (y)) != 0)
+ abort ();
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -msse2" } */
+
+#include "sse2-check.h"
+
+typedef __m128d __attribute__((aligned(1))) unaligned;
+
+__m128d __attribute__((noinline))
+foo (__m128d a1, __m128d a2, __m128d a3, __m128d a4,
+ __m128d a5, __m128d a6, __m128d a7, __m128d a8,
+ int b1, int b2, int b3, int b4, int b5, int b6, int b7, unaligned y)
+{
+ return y;
+}
+
+void
+sse2_test (void)
+{
+ unaligned x;
+ __m128d y = { 0 };
+ x = y;
+ y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
+ if (__builtin_memcmp (&y, &x, sizeof (y)) != 0)
+ abort ();
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-options "-O2 -msse2" } */
+
+#include "sse2-check.h"
+
+typedef __m128i __attribute__((aligned(1))) unaligned;
+
+__m128i __attribute__((noinline))
+foo (__m128i a1, __m128i a2, __m128i a3, __m128i a4,
+ __m128i a5, __m128i a6, __m128i a7, __m128i a8,
+ int b1, int b2, int b3, int b4, int b5, int b6, int b7, unaligned y)
+{
+ return y;
+}
+
+void
+sse2_test (void)
+{
+ unaligned x;
+ __m128i y = { 0 };
+ x = y;
+ y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
+ if (__builtin_memcmp (&y, &x, sizeof (y)) != 0)
+ abort ();
+}
--- /dev/null
+/* { dg-do run } */
+/* { dg-require-effective-target dfp } */
+/* { dg-options "-O -msse2 -std=gnu99" } */
+
+#include "sse2-check.h"
+
+typedef _Decimal128 unaligned __attribute__((aligned(1)));
+
+_Decimal128 __attribute__((noinline))
+foo (_Decimal128 a1, _Decimal128 a2, _Decimal128 a3, _Decimal128 a4,
+ _Decimal128 a5, _Decimal128 a6, _Decimal128 a7, _Decimal128 a8,
+ int b1, int b2, int b3, int b4, int b5, int b6, int b7, unaligned y)
+{
+ return y;
+}
+
+void
+sse2_test (void)
+{
+ unaligned x;
+ _Decimal128 y = -1;
+ x = y;
+ y = foo (0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, -1, x);
+ if (__builtin_memcmp (&y, &x, sizeof (y)))
+ abort ();
+}
--- /dev/null
+/* Test that we generate aligned load when memory is aligned. */
+/* { dg-do compile } */
+/* { dg-require-effective-target dfp } */
+/* { dg-options "-O -march=x86-64 -mtune=generic -std=gnu99" } */
+/* { dg-final { scan-assembler-not "movdqu" } } */
+/* { dg-final { scan-assembler "movdqa" } } */
+
+extern _Decimal128 foo (_Decimal128, _Decimal128, _Decimal128);
+
+void
+bar (void)
+{
+ foo (0, 0, 0);
+}
--- /dev/null
+/* Test that we generate aligned load when memory is aligned. */
+/* { dg-do compile } */
+/* { dg-options "-O -msse2 -mtune=generic" } */
+/* { dg-final { scan-assembler-not "movups" } } */
+/* { dg-final { scan-assembler "movaps" } } */
+
+typedef float v4sf __attribute__ ((__vector_size__ (16)));
+
+extern void foo(v4sf, v4sf, v4sf, v4sf, v4sf, v4sf, v4sf, v4sf, v4sf);
+
+int test(void)
+{
+ v4sf x = { 0.0, 1.0, 2.0, 3.0 };
+
+ foo (x, x, x, x, x, x, x, x, x);
+ return 0;
+}
projects / gcc.git / commitdiff