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x86 sse

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This commit is contained in:
Jon Lipstate
2025-07-05 16:26:07 -07:00
parent 33c6a979e9
commit fc78f6e83b
1 changed files with 11 additions and 2 deletions
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13
src/llvm_backend_proc.cpp
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@@ -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) {