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authorVineet Gupta <vgupta@synopsys.com>2018-09-07 15:13:10 -0700
committerVineet Gupta <vgupta@synopsys.com>2018-09-10 09:25:38 -0700
commit00a99339f0a30b593d06f31499c4bbd965979567 (patch)
tree7c36b5bb4416560db06c961b14cbfab6df31a57e /arch/arc
parent11da3a7f84f19c26da6f86af878298694ede0804 (diff)
ARCv2: build: use mcpu=hs38 iso generic mcpu=archs
helps gcc with better instruction selections such as 64-bit multiply MPYD before ------ 82c34b58 <sched_clock>: 82c34b58: ld r2,[0x83068d00] 82c34b60: add_s r2,r2,0x7530 82c34b66: mov_s r0,0x989680 82c34b6c: mpymu r5,r2,r0 82c34b70: mpy r4,r2,r0 82c34b74: mov_s r0,r4 82c34b76: j_s.d [blink] 82c34b78: mov_s r1,r5 82c34b7a: nop_s after ------ 82c34b7c <sched_clock>: 82c34b7c: ld r0,[0x83064d00] 82c34b84: add_s r0,r0,0x7530 82c34b8a: mpydu r0,r0,0x989680 82c34b92: j_s [blink] Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index 99cce77ab98f..dcc0f0cb0ca5 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -18,7 +18,7 @@ KBUILD_DEFCONFIG := nsim_700_defconfig
cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7
-cflags-$(CONFIG_ISA_ARCV2) += -mcpu=archs
+cflags-$(CONFIG_ISA_ARCV2) += -mcpu=hs38
is_700 = $(shell $(CC) -dM -E - < /dev/null | grep -q "ARC700" && echo 1 || echo 0)