From: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date: Thu, 8 Aug 2013 16:48:14 +0000 (+0000)
Subject: neon.md (movmisalign<mode>): Disable when we don't allow unaligned accesses.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=869b91255ae37049d8a8de197eddbae7a6380abe;p=gcc.git

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 349981c24ef..45905ccd3e8 100644
--- 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 627cc71ebc2..d0ca6b9ae79 100644
--- 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")])