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author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2020-03-03 08:17:40 +0100 |
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committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2020-03-03 08:17:40 +0100 |
commit | 1ab7b51c30e1b10ac45b0bd64cefdc01da0f7f68 (patch) | |
tree | 210ffc156c83f04fb0c61a40b4f9037d7ba8a7e1 /test/monniaux/multithreaded_volatile | |
parent | 222c9047d61961db9c6b19fed5ca49829223fd33 (diff) | |
parent | 12be46d59a2483a10d77fa8ee67f7e0ca1bd702f (diff) | |
download | compcert-kvx-1ab7b51c30e1b10ac45b0bd64cefdc01da0f7f68.tar.gz compcert-kvx-1ab7b51c30e1b10ac45b0bd64cefdc01da0f7f68.zip |
Merge branch 'mppa-cse2' of gricad-gitlab.univ-grenoble-alpes.fr:sixcy/CompCert into mppa-work
Diffstat (limited to 'test/monniaux/multithreaded_volatile')
-rw-r--r-- | test/monniaux/multithreaded_volatile/Makefile | 18 | ||||
-rw-r--r-- | test/monniaux/multithreaded_volatile/volatile.c | 30 |
2 files changed, 48 insertions, 0 deletions
diff --git a/test/monniaux/multithreaded_volatile/Makefile b/test/monniaux/multithreaded_volatile/Makefile new file mode 100644 index 00000000..35717953 --- /dev/null +++ b/test/monniaux/multithreaded_volatile/Makefile @@ -0,0 +1,18 @@ +all: volatile.ccomp.k1c volatile.gcc.k1c + +volatile.ccomp.k1c : volatile.ccomp.k1c.s + k1-cos-gcc $< -o $@ + +volatile.gcc.k1c : volatile.gcc.k1c.s + k1-cos-gcc $< -o $@ + +volatile.ccomp.k1c.s : volatile.c + ../../../ccomp -O2 -Wall -S $< -o $@ + +volatile.gcc.k1c.s : volatile.c + k1-cos-gcc -O2 -Wall -Werror=implicit -std=gnu99 -S $< -o $@ + +clean: + -rm -f *.k1c *.s + +.PHONY: clean diff --git a/test/monniaux/multithreaded_volatile/volatile.c b/test/monniaux/multithreaded_volatile/volatile.c new file mode 100644 index 00000000..f8ffee2d --- /dev/null +++ b/test/monniaux/multithreaded_volatile/volatile.c @@ -0,0 +1,30 @@ +#include <stdio.h> +#include <time.h> +#include <pthread.h> + +typedef unsigned data; + +static inline data powM(data x, unsigned e) { + data y = 1; + for(unsigned i=0; i<e; i++) { + y = (y * x) % 65537; + } + return y; +} + +void* second_thread_entry(void *ptr) { + *((volatile data*) ptr) = powM(3, 65536); + return NULL; +} + +int main() { + pthread_t second_thread_id; + volatile data value; + pthread_create(&second_thread_id, NULL, + second_thread_entry, (void*) &value); + value = 69; + data correct = powM(3, 65536*2); + data read = value; + pthread_join(second_thread_id, NULL); + printf("%u %u %s\n", read, correct, read == correct ? "OK" : "FAIL"); +} |