This patch avoids assembler warnings for gfx908 and gfx90a such as
'-xnack-mattr=-sramecc' is not a recognized feature for this target(ignoring
feature)
as we pass -mattr=-xnack-mattr=-sramecc to the llvm-mc assembler.
Solution: Add a space before the second '-mattr='.
OK for mainline?
Tobias
gcn: Add missing space to ASM_SPEC in gcn-hsa.h
gcc/
* config/gcn/gcn-hsa.h (ASM_SPEC): Add space after -mxnack= argument.
diff --git a/gcc/config/gcn/gcn-hsa.h b/gcc/config/gcn/gcn-hsa.h
index bf7079fbbc6..f5de0d2969f 100644
--- a/gcc/config/gcn/gcn-hsa.h
+++ b/gcc/config/gcn/gcn-hsa.h
@@ -89,7 +89,7 @@ extern unsigned int gcn_local_sym_hash (const char *name);
#define ASM_SPEC "-triple=amdgcn--amdhsa " \
"%{march=*:-mcpu=%*} " \
"%{!march=*|march=fiji:--amdhsa-code-object-version=3} " \
- "%{" NO_XNACK XNACKOPT "}" \
+ "%{" NO_XNACK XNACKOPT "} " \
"%{" NO_SRAM_ECC SRAMOPT "} " \
"%{march=gfx1030|march=gfx1100:-mattr=+wavefrontsize64} " \
"-filetype=obj"
