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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /tests/tcg/openrisc/test_addc.c | |
download | qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.tar.gz qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.tar.bz2 qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.zip |
Diffstat (limited to 'tests/tcg/openrisc/test_addc.c')
-rw-r--r-- | tests/tcg/openrisc/test_addc.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/tcg/openrisc/test_addc.c b/tests/tcg/openrisc/test_addc.c new file mode 100644 index 00000000..a8f756a6 --- /dev/null +++ b/tests/tcg/openrisc/test_addc.c @@ -0,0 +1,40 @@ +#include <stdio.h> + +int main(void) +{ + int a, b, c; + int result; + + b = 0x01; + c = 0xffffffff; + result = 0; + __asm + ("l.add r1, r1, r0\n\t" /* clear carry */ + "l.addc %0, %1, %2\n\t" + : "=r"(a) + : "r"(b), "r"(c) + ); + if (a != result) { + printf("first addc error\n"); + return -1; + } + + b = 0x01; + c = 0xffffffff; + result = 0x80000001; + __asm + ("l.add r1, r1, r0\n\t" /* clear carry */ + "l.addc %0, %1, %2\n\t" + "l.movhi %2, 0x7fff\n\t" + "l.ori %2, %2, 0xffff\n\t" + "l.addc %0, %1, %2\n\t" + : "=r"(a) + : "r"(b), "r"(c) + ); + if (a != result) { + printf("addc error\n"); + return -1; + } + + return 0; +} |