LoongArch: testsuite:Give up the detection of the gcc.dg/fma-{3, 4, 6, 7}.c file.
On the LoongArch architecture, the above four test cases need to be waived during testing. There are two situations: 1. The function of fma-{3,6}.c test is to find the value of c-a*b, but on the LoongArch architecture, the function of the existing fnmsub instruction is to find the value of -(a*b - c); 2. The function of fma-{4,7}.c test is to find the value of -(a*b)-c, but on the LoongArch architecture, the function of the existing fnmadd instruction is to find the value of -(a*b + c); Through the analysis of the above two cases, there will be positive and negative zero inequality. gcc/testsuite/ChangeLog * gcc.dg/fma-3.c: The intermediate file corresponding to the function does not produce the corresponding FNMA symbol, so the test rules should be skipped when testing. * gcc.dg/fma-4.c: The intermediate file corresponding to the function does not produce the corresponding FNMS symbol, so skip the test rules when testing. * gcc.dg/fma-6.c: The cause is the same as fma-3.c. * gcc.dg/fma-7.c: The cause is the same as fma-4.c
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- gcc/testsuite/gcc.dg/fma-3.c 1 addition, 1 deletiongcc/testsuite/gcc.dg/fma-3.c
- gcc/testsuite/gcc.dg/fma-4.c 1 addition, 1 deletiongcc/testsuite/gcc.dg/fma-4.c
- gcc/testsuite/gcc.dg/fma-6.c 1 addition, 1 deletiongcc/testsuite/gcc.dg/fma-6.c
- gcc/testsuite/gcc.dg/fma-7.c 1 addition, 1 deletiongcc/testsuite/gcc.dg/fma-7.c
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