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authorCyril SIX <cyril.six@kalray.eu>2019-05-03 14:32:36 +0200
committerCyril SIX <cyril.six@kalray.eu>2019-05-03 14:32:36 +0200
commit452da0d77523d15830d7a78198092d72822063a6 (patch)
tree273bf5fc7e715d80a75f5c83d06cfd32e9266d74 /test/monniaux/bitfields/bitfields_long.c
parent24e97bd87918f2c487416744ba12a78aba35a9e5 (diff)
parent9976dba5412be7e834abb63ac2293f1da288a185 (diff)
downloadcompcert-kvx-452da0d77523d15830d7a78198092d72822063a6.tar.gz
compcert-kvx-452da0d77523d15830d7a78198092d72822063a6.zip
Merge branch 'mppa-work' into mppa_k1c
Diffstat (limited to 'test/monniaux/bitfields/bitfields_long.c')
-rw-r--r--test/monniaux/bitfields/bitfields_long.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/monniaux/bitfields/bitfields_long.c b/test/monniaux/bitfields/bitfields_long.c
new file mode 100644
index 00000000..93bba8d0
--- /dev/null
+++ b/test/monniaux/bitfields/bitfields_long.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <stdint.h>
+
+#define GET_FIELD_L(x, stop, start) (((x) << (63-(stop))) >> (63-(stop)+(start)))
+#define FIELD_MASK(stop, start) ((1ULL<<(stop)) - (1ULL<<(start)) + (1ULL<<(stop)))
+
+#define SET_FIELD_L(x, stop, start, y) (((x) & ~FIELD_MASK(stop, start)) | ((y << start) & FIELD_MASK(stop, start)))
+
+uint64_t get_f2(uint64_t x) {
+ return GET_FIELD_L(x, 47, 16);
+}
+
+uint64_t set_f2(uint64_t x, uint64_t y) {
+ return SET_FIELD_L(x, 47, 16, y);
+}
+
+int main() {
+ printf("%lx %lx\n", FIELD_MASK(47, 16), set_f2(0x12345678ABCD1234ULL, 0x11112222ULL));
+}