https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102719
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Paul Clarke <p...@gcc.gnu.org>: https://gcc.gnu.org/g:3cfbe5dc08b574bccc398256946cc03e2a767329 commit r12-4514-g3cfbe5dc08b574bccc398256946cc03e2a767329 Author: Paul A. Clarke <p...@us.ibm.com> Date: Mon Aug 9 13:08:25 2021 -0500 rs6000: Guard some x86 intrinsics implementations Some compatibility implementations of x86 intrinsics include Power intrinsics which require POWER8. Guard them. emmintrin.h: - _mm_cmpord_pd: Remove code which was ostensibly for pre-POWER8, but which indeed depended on POWER8 (vec_cmpgt(v2du)/vcmpgtud). The "POWER8" version works fine on pre-POWER8. - _mm_mul_epu32: vec_mule(v4su) uses vmuleuw. pmmintrin.h: - _mm_movehdup_ps: vec_mergeo(v4su) uses vmrgow. - _mm_moveldup_ps: vec_mergee(v4su) uses vmrgew. smmintrin.h: - _mm_cmpeq_epi64: vec_cmpeq(v2di) uses vcmpequd. - _mm_mul_epi32: vec_mule(v4si) uses vmuluwm. - _mm_cmpgt_epi64: vec_cmpgt(v2di) uses vcmpgtsd. tmmintrin.h: - _mm_sign_epi8: vec_neg(v4si) uses vsububm. - _mm_sign_epi16: vec_neg(v4si) uses vsubuhm. - _mm_sign_epi32: vec_neg(v4si) uses vsubuwm. Note that the above three could actually be supported pre-POWER8, but current GCC does not support them before POWER8. - _mm_sign_pi8: depends on _mm_sign_epi8. - _mm_sign_pi16: depends on _mm_sign_epi16. - _mm_sign_pi32: depends on _mm_sign_epi32. sse4_2-pcmpgtq.c: - _mm_cmpgt_epi64: vec_cmpeq(v2di) uses vcmpequd. 2021-10-19 Paul A. Clarke <p...@us.ibm.com> gcc PR target/101893 PR target/102719 * config/rs6000/emmintrin.h: Guard POWER8 intrinsics. * config/rs6000/pmmintrin.h: Same. * config/rs6000/smmintrin.h: Same. * config/rs6000/tmmintrin.h: Same. gcc/testsuite * gcc.target/powerpc/sse4_2-pcmpgtq.c: Tighten dg constraints to minimally Power8.
