From 869b91255ae37049d8a8de197eddbae7a6380abe Mon Sep 17 00:00:00 2001
From: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date: Thu, 8 Aug 2013 16:48:14 +0000
Subject: [PATCH] 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
---
gcc/ChangeLog | 9 +++++++++
gcc/config/arm/neon.md | 10 +++++-----
2 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 349981c24ef6..45905ccd3e89 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 627cc71ebc27..d0ca6b9ae794 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")])
--
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