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SUSE:SLE-12-SP4:Update
glibc-utils.26366
0009-S390-Ifunc-resolver-macro-for-vector-instr...
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File 0009-S390-Ifunc-resolver-macro-for-vector-instructions.patch of Package glibc-utils.26366
2015-08-26 Stefan Liebler <stli@linux.vnet.ibm.com> * sysdeps/s390/multiarch/ifunc-resolve.h (s390_vx_libc_ifunc, s390_vx_libc_ifunc2): New macro function. Index: glibc-2.22/sysdeps/s390/multiarch/ifunc-resolve.h =================================================================== --- glibc-2.22.orig/sysdeps/s390/multiarch/ifunc-resolve.h +++ glibc-2.22/sysdeps/s390/multiarch/ifunc-resolve.h @@ -73,3 +73,22 @@ else \ return &__##FUNC##_default; \ } + +#define s390_vx_libc_ifunc(FUNC) \ + s390_vx_libc_ifunc2(FUNC, FUNC) + +#define s390_vx_libc_ifunc2(RESOLVERFUNC, FUNC) \ + /* Make the declarations of the optimized functions hidden in order + to prevent GOT slots being generated for them. */ \ + extern __typeof (FUNC) RESOLVERFUNC##_vx attribute_hidden; \ + extern __typeof (FUNC) RESOLVERFUNC##_c attribute_hidden; \ + extern void *__resolve_##RESOLVERFUNC (unsigned long int) __asm__ (#FUNC); \ + \ + void *__resolve_##RESOLVERFUNC (unsigned long int dl_hwcap) \ + { \ + if (dl_hwcap & HWCAP_S390_VX) \ + return &RESOLVERFUNC##_vx; \ + else \ + return &RESOLVERFUNC##_c; \ + } \ + __asm__ (".type " #FUNC ", %gnu_indirect_function");
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