On 05/01/2017 09:40 AM, Palmer Dabbelt wrote:
[snip]
diff --git a/gcc/config/riscv/riscv.opt b/gcc/config/riscv/riscv.opt
index 0466bb2..0422e07 100644
--- a/gcc/config/riscv/riscv.opt
+++ b/gcc/config/riscv/riscv.opt
@@ -84,6 +84,10 @@ mcmodel=
Target Report RejectNegative Joined Enum(code_model) Var(riscv_cmodel)
Init(TARGET_DEFAULT_CMODEL)
Specify the code model.
+mstrict-align
+Target Report Mask(STRICT_ALIGN) Save
+Assume that unaligned memory accesses are disallowed.
+
It's not clear from that description who is disallowing the accesses,
and what the assumption implies. How about just:
Do not generate unaligned memory accesses.
@@ -20945,6 +20946,11 @@ Put global and static data smaller than @var{n} bytes
into a special section
@opindex msave-restore
Use smaller but slower prologue and epilogue code.
+@item -mstrict-align
+@itemx -mno-strict-align
+@opindex mstrict-align
+Assume that unaligned memory accesses are disallowed.
+
Ditto here.
-Sandra
