From bb7496a2fcc58238a4e3abcc431313385a15183f Mon Sep 17 00:00:00 2001 From: gingerBill Date: Mon, 2 Feb 2026 14:28:16 +0000 Subject: Add `intrinsics.count_trailing_ones` and `intrinsics.count_leading_ones` --- src/llvm_backend_utility.cpp | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/llvm_backend_utility.cpp') diff --git a/src/llvm_backend_utility.cpp b/src/llvm_backend_utility.cpp index 367e7be75..8a7bced59 100644 --- a/src/llvm_backend_utility.cpp +++ b/src/llvm_backend_utility.cpp @@ -648,6 +648,18 @@ gb_internal lbValue lb_emit_count_leading_zeros(lbProcedure *p, lbValue x, Type return res; } +gb_internal lbValue lb_emit_unary_arith(lbProcedure *p, TokenKind op, lbValue x, Type *type); + +gb_internal lbValue lb_emit_count_trailing_ones(lbProcedure *p, lbValue x, Type *type) { + lbValue z = lb_emit_unary_arith(p, Token_Xor, x, type); + return lb_emit_count_trailing_zeros(p, z, type); +} + +gb_internal lbValue lb_emit_count_leading_ones(lbProcedure *p, lbValue x, Type *type) { + lbValue z = lb_emit_unary_arith(p, Token_Xor, x, type); + return lb_emit_count_leading_zeros(p, z, type); +} + gb_internal lbValue lb_emit_reverse_bits(lbProcedure *p, lbValue x, Type *type) { -- cgit v1.2.3