| Message ID | 1511780999-27757-9-git-send-email-claziss@synopsys.com |
|---|---|
| State | New |
| Headers | show |
| Series | Critical fixes | expand |
* Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com> [2017-11-27 12:09:57 +0100]: > From: Claudiu Zissulescu <claziss@gmail.com> > > Use munaligned-access to control if we can have unaligned accesses. For ARC > HS family unaligned access is always on. > > 2017-10-19 Claudiu Zissulescu <claziss@synopsys.com> > > * config/arc/arc-c.def (__ARC_UNALIGNED__): New define. > * config/arc/arc.h (STRICT_ALIGNMENT): Control this macro using > munaligned-access. This looks fine, Thanks, Andrew > --- > gcc/config/arc/arc-c.def | 1 + > gcc/config/arc/arc.h | 2 +- > 2 files changed, 2 insertions(+), 1 deletion(-) > > diff --git a/gcc/config/arc/arc-c.def b/gcc/config/arc/arc-c.def > index c9443c9..86eab4e 100644 > --- a/gcc/config/arc/arc-c.def > +++ b/gcc/config/arc/arc-c.def > @@ -29,6 +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_BARREL_SHIFTER__", TARGET_BARREL_SHIFTER) > > diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h > index 8d90975..8c31fb2 100644 > --- a/gcc/config/arc/arc.h > +++ b/gcc/config/arc/arc.h > @@ -288,7 +288,7 @@ 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 1 > +#define STRICT_ALIGNMENT (!unaligned_access && !TARGET_HS) > > /* Layout of source language data types. */ > > -- > 1.9.1 >
diff --git a/gcc/config/arc/arc-c.def b/gcc/config/arc/arc-c.def index c9443c9..86eab4e 100644 --- a/gcc/config/arc/arc-c.def +++ b/gcc/config/arc/arc-c.def @@ -29,6 +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_BARREL_SHIFTER__", TARGET_BARREL_SHIFTER) diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h index 8d90975..8c31fb2 100644 --- a/gcc/config/arc/arc.h +++ b/gcc/config/arc/arc.h @@ -288,7 +288,7 @@ 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 1 +#define STRICT_ALIGNMENT (!unaligned_access && !TARGET_HS) /* Layout of source language data types. */
From: Claudiu Zissulescu <claziss@gmail.com> Use munaligned-access to control if we can have unaligned accesses. For ARC HS family unaligned access is always on. 2017-10-19 Claudiu Zissulescu <claziss@synopsys.com> * config/arc/arc-c.def (__ARC_UNALIGNED__): New define. * config/arc/arc.h (STRICT_ALIGNMENT): Control this macro using munaligned-access. --- gcc/config/arc/arc-c.def | 1 + gcc/config/arc/arc.h | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-)