Manage feature bits automatically.

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/cpu.h             | 32 +++++++++++++-------------------
 target/sparc/cpu-feature.h.inc | 19 +++++++++++++++++++
 2 files changed, 32 insertions(+), 19 deletions(-)
 create mode 100644 target/sparc/cpu-feature.h.inc

diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h
index 9fc5c401d2..aaecbf0876 100644
--- a/target/sparc/cpu.h
+++ b/target/sparc/cpu.h
@@ -291,25 +291,19 @@ struct sparc_def_t {
     uint32_t maxtl;
 };
 
-#define CPU_FEATURE_FLOAT        (1 << 0)
-#define CPU_FEATURE_FLOAT128     (1 << 1)
-#define CPU_FEATURE_SWAP         (1 << 2)
-#define CPU_FEATURE_MUL          (1 << 3)
-#define CPU_FEATURE_DIV          (1 << 4)
-#define CPU_FEATURE_FLUSH        (1 << 5)
-#define CPU_FEATURE_FSQRT        (1 << 6)
-#define CPU_FEATURE_FMUL         (1 << 7)
-#define CPU_FEATURE_VIS1         (1 << 8)
-#define CPU_FEATURE_VIS2         (1 << 9)
-#define CPU_FEATURE_FSMULD       (1 << 10)
-#define CPU_FEATURE_HYPV         (1 << 11)
-#define CPU_FEATURE_CMT          (1 << 12)
-#define CPU_FEATURE_GL           (1 << 13)
-#define CPU_FEATURE_TA0_SHUTDOWN (1 << 14) /* Shutdown on "ta 0x0" */
-#define CPU_FEATURE_ASR17        (1 << 15)
-#define CPU_FEATURE_CACHE_CTRL   (1 << 16)
-#define CPU_FEATURE_POWERDOWN    (1 << 17)
-#define CPU_FEATURE_CASA         (1 << 18)
+#define FEATURE(X)  CPU_FEATURE_BIT_##X,
+enum {
+#include "cpu-feature.h.inc"
+};
+
+#undef FEATURE
+#define FEATURE(X)  CPU_FEATURE_##X = 1u << CPU_FEATURE_BIT_##X,
+
+enum {
+#include "cpu-feature.h.inc"
+};
+
+#undef FEATURE
 
 #ifndef TARGET_SPARC64
 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP |  \
diff --git a/target/sparc/cpu-feature.h.inc b/target/sparc/cpu-feature.h.inc
new file mode 100644
index 0000000000..d35fe90c92
--- /dev/null
+++ b/target/sparc/cpu-feature.h.inc
@@ -0,0 +1,19 @@
+FEATURE(FLOAT)
+FEATURE(FLOAT128)
+FEATURE(SWAP)
+FEATURE(MUL)
+FEATURE(DIV)
+FEATURE(FLUSH)
+FEATURE(FSQRT)
+FEATURE(FMUL)
+FEATURE(VIS1)
+FEATURE(VIS2)
+FEATURE(FSMULD)
+FEATURE(HYPV)
+FEATURE(CMT)
+FEATURE(GL)
+FEATURE(TA0_SHUTDOWN) /* Shutdown on "ta 0x0" */
+FEATURE(ASR17)
+FEATURE(CACHE_CTRL)
+FEATURE(POWERDOWN)
+FEATURE(CASA)
-- 
2.34.1