From: Claudiu Zissulescu <claziss@xxxxxxxxx>
gcc/
xxxx-xx-xx Claudiu Zissulescu <claziss@xxxxxxxxxxxx>
* config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
unaligned_access variable.
* config/arc/arc.c (arc_override_options): Set unaligned access
default on for HS CPUs.
* config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
---
gcc/config/arc/arc-c.def | 2 +-
gcc/config/arc/arc.c | 4 ++++
gcc/config/arc/arc.h | 2 +-
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/gcc/config/arc/arc-c.def b/gcc/config/arc/arc-c.def
index 9c0ba2c9c294..9472b48aa7bc 100644
--- a/gcc/config/arc/arc-c.def
+++ b/gcc/config/arc/arc-c.def
@@ -29,7 +29,7 @@ ARC_C_DEF ("__ARC_MUL64__", TARGET_MUL64_SET)
ARC_C_DEF ("__ARC_MUL32BY16__", TARGET_MULMAC_32BY16_SET)
ARC_C_DEF ("__ARC_SIMD__", TARGET_SIMD_SET)
ARC_C_DEF ("__ARC_RF16__", TARGET_RF16)
-ARC_C_DEF ("__ARC_UNALIGNED__", !STRICT_ALIGNMENT)
+ARC_C_DEF ("__ARC_UNALIGNED__", unaligned_access)
ARC_C_DEF ("__ARC_BARREL_SHIFTER__", TARGET_BARREL_SHIFTER)
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index de2c8d5df9cf..3b8c29981b9a 100644
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -1313,6 +1313,10 @@ arc_override_options (void)
if (TARGET_LONG_CALLS_SET)
target_flags &= ~MASK_MILLICODE_THUNK_SET;
+ /* Set unaligned to all HS cpus. */
+ if (!global_options_set.x_unaligned_access && TARGET_HS)
+ unaligned_access = 1;
+
/* These need to be done at start up. It's convenient to do them here. */
arc_init ();
}
diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h
index 12b4b62bba7b..894eb3946000 100644
--- a/gcc/config/arc/arc.h
+++ b/gcc/config/arc/arc.h
@@ -285,7 +285,7 @@ if (GET_MODE_CLASS (MODE) == MODE_INT \
/* On the ARC the lower address bits are masked to 0 as necessary. The chip
won't croak when given an unaligned address, but the insn will still fail
to produce the correct result. */
-#define STRICT_ALIGNMENT (!unaligned_access && !TARGET_HS)
+#define STRICT_ALIGNMENT (!unaligned_access)
/* Layout of source language data types. */
--
2.7.4
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
