return_fl2.c (return_fl): Mark as static.
* testsuite/libffi.call/return_fl2.c (return_fl): Mark as static. Use 'volatile float sum' to create sum of floats to avoid false negative due to excess precision on ix86 targets. (main): Ditto. From-SVN: r123180
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@ -1,3 +1,10 @@
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2007-03-24 Uros Bizjak <ubizjak@gmail.com>
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* testsuite/libffi.call/return_fl2.c (return_fl): Mark as static.
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Use 'volatile float sum' to create sum of floats to avoid false
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negative due to excess precision on ix86 targets.
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(main): Ditto.
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2007-03-08 Alexandre Oliva <aoliva@redhat.com>
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* src/powerpc/ffi.c (flush_icache): Fix left-over from previous
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@ -7,12 +7,13 @@
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/* { dg-do run } */
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#include "ffitest.h"
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/* To avoid a false negative on ix86 do not declare the return_fl static.
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See PR323.
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*/
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float return_fl(float fl1, float fl2, float fl3, float fl4)
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/* Use volatile float to avoid false negative on ix86. See PR target/323. */
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static float return_fl(float fl1, float fl2, float fl3, float fl4)
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{
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return fl1 + fl2 + fl3 + fl4;
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volatile float sum;
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sum = fl1 + fl2 + fl3 + fl4;
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return sum;
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}
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int main (void)
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{
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@ -20,6 +21,7 @@ int main (void)
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ffi_type *args[MAX_ARGS];
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void *values[MAX_ARGS];
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float fl1, fl2, fl3, fl4, rfl;
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volatile float sum;
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args[0] = &ffi_type_float;
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args[1] = &ffi_type_float;
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@ -40,6 +42,8 @@ int main (void)
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ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
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printf ("%f vs %f\n", rfl, return_fl(fl1, fl2, fl3, fl4));
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CHECK(rfl == fl1 + fl2 + fl3 + fl4);
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sum = fl1 + fl2 + fl3 + fl4;
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CHECK(rfl == sum);
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exit(0);
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}
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