neon.md (movmisalign<mode>): Disable when we don't allow unaligned accesses.

2013-08-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/neon.md (movmisalign<mode>): Disable when we
	don't allow unaligned accesses.
	(*movmisalign<mode>_neon_store): Likewise.
	(*movmisalign<mode>_neon_load): Likewise.
	(*movmisalign<mode>_neon_store): Likewise.
	(*movmisalign<mode>_neon_load): Likewise.

From-SVN: r201604

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 349981c24ef6ec9f766d6c0d297e03a6f5f30d9c..45905ccd3e899f26a106e9edde8ba9614ee2db0a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2013-08-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+       * config/arm/neon.md (movmisalign<mode>): Disable when we
+       don't allow unaligned accesses.
+       (*movmisalign<mode>_neon_store): Likewise.
+       (*movmisalign<mode>_neon_load): Likewise.
+       (*movmisalign<mode>_neon_store): Likewise.
+       (*movmisalign<mode>_neon_load): Likewise.
+
 2013-08-08  Jan Hubicka  <jh@suse.cz>
 
        * cgraphbuild.c (build_cgraph_edges): Do not walk into debugs.

diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md
index 627cc71ebc275ad6a9ecb1f852e82794d96a0ef5..d0ca6b9ae794340c5d1d7d5ed554563af078c2d0 100644 (file)
--- a/gcc/config/arm/neon.md
+++ b/gcc/config/arm/neon.md
@@ -242,7 +242,7 @@
   [(set (match_operand:VDQX 0 "neon_perm_struct_or_reg_operand")
        (unspec:VDQX [(match_operand:VDQX 1 "neon_perm_struct_or_reg_operand")]
                     UNSPEC_MISALIGNED_ACCESS))]
-  "TARGET_NEON && !BYTES_BIG_ENDIAN"
+  "TARGET_NEON && !BYTES_BIG_ENDIAN && unaligned_access"
 {
   /* This pattern is not permitted to fail during expansion: if both arguments
      are non-registers (e.g. memory := constant, which can be created by the
@@ -256,7 +256,7 @@
   [(set (match_operand:VDX 0 "neon_permissive_struct_operand"  "=Um")
        (unspec:VDX [(match_operand:VDX 1 "s_register_operand" " w")]
                    UNSPEC_MISALIGNED_ACCESS))]
-  "TARGET_NEON && !BYTES_BIG_ENDIAN"
+  "TARGET_NEON && !BYTES_BIG_ENDIAN && unaligned_access"
   "vst1.<V_sz_elem>\t{%P1}, %A0"
   [(set_attr "neon_type" "neon_vst1_1_2_regs_vst2_2_regs")])
 
@@ -265,7 +265,7 @@
        (unspec:VDX [(match_operand:VDX 1 "neon_permissive_struct_operand"
                                                                        " Um")]
                    UNSPEC_MISALIGNED_ACCESS))]
-  "TARGET_NEON && !BYTES_BIG_ENDIAN"
+  "TARGET_NEON && !BYTES_BIG_ENDIAN && unaligned_access"
   "vld1.<V_sz_elem>\t{%P0}, %A1"
   [(set_attr "neon_type" "neon_vld1_1_2_regs")])
 
@@ -273,7 +273,7 @@
   [(set (match_operand:VQX 0 "neon_permissive_struct_operand"  "=Um")
        (unspec:VQX [(match_operand:VQX 1 "s_register_operand" " w")]
                    UNSPEC_MISALIGNED_ACCESS))]
-  "TARGET_NEON && !BYTES_BIG_ENDIAN"
+  "TARGET_NEON && !BYTES_BIG_ENDIAN && unaligned_access"
   "vst1.<V_sz_elem>\t{%q1}, %A0"
   [(set_attr "neon_type" "neon_vst1_1_2_regs_vst2_2_regs")])
 
@@ -282,7 +282,7 @@
        (unspec:VQX [(match_operand:VQX 1 "neon_permissive_struct_operand"
                                                                        " Um")]
                    UNSPEC_MISALIGNED_ACCESS))]
-  "TARGET_NEON && !BYTES_BIG_ENDIAN"
+  "TARGET_NEON && !BYTES_BIG_ENDIAN && unaligned_access"
   "vld1.<V_sz_elem>\t{%q0}, %A1"
   [(set_attr "neon_type" "neon_vld1_1_2_regs")])