From 3617ee76564c0680a12e1d5de14c60387a37e518 Mon Sep 17 00:00:00 2001
From: FallenSigh <fallensigh@gmail.com>
Date: Tue, 30 Jun 2026 02:15:14 +0800
Subject: [PATCH] fix: change <= to = in array for loops for verilator
 BLKLOOPINIT

---
 rtl/ip/mlkem/ntt/ntt_core.v           | 2 +-
 rtl/ip/mlkem/poly_mul/poly_mul_sync.v | 4 ++--
 rtl/ip/mlkem/top/mlkem_axi_slave.v    | 6 +++---
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/rtl/ip/mlkem/ntt/ntt_core.v b/rtl/ip/mlkem/ntt/ntt_core.v
index f5146ce..1299b8c 100644
--- a/rtl/ip/mlkem/ntt/ntt_core.v
+++ b/rtl/ip/mlkem/ntt/ntt_core.v
@@ -74,7 +74,7 @@ module ntt_core (
         if (!rst_n) begin
             state<=S_IDLE; load_cnt<=0; out_cnt<=0; j<=0; start<=0; layer_len<=0;
             zeta_idx<=0; layer<=0; bf_done<=0; r_a<=0; r_b<=0; r_wa<=0; r_wb<=0;
-            for (ci=0; ci<N; ci=ci+1) cr[ci] <= 0;
+            for (ci=0; ci<N; ci=ci+1) cr[ci] = 0;
         end else begin
             state <= next_state;
 
diff --git a/rtl/ip/mlkem/poly_mul/poly_mul_sync.v b/rtl/ip/mlkem/poly_mul/poly_mul_sync.v
index 59d02b1..3000172 100644
--- a/rtl/ip/mlkem/poly_mul/poly_mul_sync.v
+++ b/rtl/ip/mlkem/poly_mul/poly_mul_sync.v
@@ -117,8 +117,8 @@ module poly_mul_sync (
             c0_reg   <= 12'd0;
             c1_reg   <= 12'd0;
             for (i = 0; i < 256; i = i + 1) begin
-                mem_A[i] <= 12'd0;
-                mem_B[i] <= 12'd0;
+                mem_A[i] = 12'd0;
+                mem_B[i] = 12'd0;
             end
         end else begin
             state <= next_state;
diff --git a/rtl/ip/mlkem/top/mlkem_axi_slave.v b/rtl/ip/mlkem/top/mlkem_axi_slave.v
index e5c2363..e7cd112 100644
--- a/rtl/ip/mlkem/top/mlkem_axi_slave.v
+++ b/rtl/ip/mlkem/top/mlkem_axi_slave.v
@@ -340,9 +340,9 @@ module mlkem_axi_slave (
             pre_byte_l    <= 8'd0;
             w_last_l      <= 1'b0;
             for (wi = 0; wi < 8; wi = wi + 1) begin
-                d_word[wi]   <= 32'd0;
-                z_word[wi]   <= 32'd0;
-                msg_word[wi] <= 32'd0;
+                d_word[wi]   = 32'd0;
+                z_word[wi]   = 32'd0;
+                msg_word[wi] = 32'd0;
             end
         end else begin
             // clear the preload-busy flag when the mlkem domain acks the byte