diff options
Diffstat (limited to 'src/llvm_backend_proc.cpp')
| -rw-r--r-- | src/llvm_backend_proc.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp index a1c62d555..1fe8a15fe 100644 --- a/src/llvm_backend_proc.cpp +++ b/src/llvm_backend_proc.cpp @@ -1813,7 +1813,12 @@ gb_internal lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAn bool features_enabled = true; if (build_context.metrics.arch == TargetArch_amd64 || build_context.metrics.arch == TargetArch_i386) { // x86/x86-64 feature checking - if (count == 32) { + if (count == 16) { + // SSE/SSSE3 for 128-bit vectors + if (!check_target_feature_is_enabled(str_lit("ssse3"), nullptr)) { + features_enabled = false; + } + } else if (count == 32) { // AVX2 requires ssse3 + avx2 features if (!check_target_feature_is_enabled(str_lit("ssse3"), nullptr) || !check_target_feature_is_enabled(str_lit("avx2"), nullptr)) { @@ -1839,7 +1844,11 @@ gb_internal lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAn // Add target features to function attributes for LLVM instruction selection if (build_context.metrics.arch == TargetArch_amd64 || build_context.metrics.arch == TargetArch_i386) { // x86/x86-64 function attributes - if (count == 32) { + if (count == 16) { + // SSE/SSSE3 for 128-bit vectors + lb_add_attribute_to_proc_with_string(p->module, p->value, str_lit("target-features"), str_lit("+ssse3")); + lb_add_attribute_to_proc_with_string(p->module, p->value, str_lit("min-legal-vector-width"), str_lit("128")); + } else if (count == 32) { lb_add_attribute_to_proc_with_string(p->module, p->value, str_lit("target-features"), str_lit("+avx,+avx2,+ssse3")); lb_add_attribute_to_proc_with_string(p->module, p->value, str_lit("min-legal-vector-width"), str_lit("256")); } else if (count == 64) { |