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target-openrisc: Correct carry flag check of l.addc and l.addic test cases 

The test cases did not correctly test for the carry flag.

Signed-off-by: Sebastian Macke <sebastian@macke.de>
Reviewed-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Jia Liu <proljc@gmail.com>
master
Sebastian Macke 2013-10-22 02:12:45 +02:00 committed by Jia Liu
parent 93147a180c
commit 14a650ec25
2 changed files with 11 additions and 7 deletions
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8
tests/tcg/openrisc/test_addc.c
View File

@ -7,9 +7,10 @@ int main(void)
b = 0x01; b = 0x01;
c = 0xffffffff; c = 0xffffffff;
result = 1; result = 0;
__asm __asm
("l.addc %0, %1, %2\n\t" ("l.add r1, r1, r0\n\t" /* clear carry */
"l.addc %0, %1, %2\n\t"
: "=r"(a) : "=r"(a)
: "r"(b), "r"(c) : "r"(b), "r"(c)
); );
@ -22,7 +23,8 @@ int main(void)
c = 0xffffffff; c = 0xffffffff;
result = 0x80000001; result = 0x80000001;
__asm __asm
("l.addc %0, %1, %2\n\t" ("l.add r1, r1, r0\n\t" /* clear carry */
"l.addc %0, %1, %2\n\t"
"l.movhi %2, 0x7fff\n\t" "l.movhi %2, 0x7fff\n\t"
"l.ori %2, %2, 0xffff\n\t" "l.ori %2, %2, 0xffff\n\t"
"l.addc %0, %1, %2\n\t" "l.addc %0, %1, %2\n\t"

10
tests/tcg/openrisc/test_addic.c
View File

@ -6,9 +6,10 @@ int main(void)
int result; int result;
a = 1; a = 1;
result = 0x1; result = 0x0;
__asm __asm
("l.addic %0, %0, 0xffff\n\t" ("l.add r1, r1, r0\n\t" /* clear carry */
"l.addic %0, %0, 0xffff\n\t"
: "+r"(a) : "+r"(a)
); );
if (a != result) { if (a != result) {
@ -16,10 +17,11 @@ int main(void)
return -1; return -1;
} }
a = 0x1; a = -1;
result = 0x201; result = 0x201;
__asm __asm
("l.addic %0, %0, 0xffff\n\t" ("l.add r1, r1, r0\n\t" /* clear carry */
"l.addic %0, %0, 0x1\n\t"
"l.ori %0, r0, 0x100\n\t" "l.ori %0, r0, 0x100\n\t"
"l.addic %0, %0, 0x100\n\t" "l.addic %0, %0, 0x100\n\t"
: "+r"(a) : "+r"(a)