1 files changed, 98 insertions, 0 deletions
diff --git a/tests/run_perf.sh b/tests/run_perf.sh
new file mode 100755
index 0000000..2b8dc79
--- /dev/null
+++ b/tests/run_perf.sh
@@ -0,0 +1,98 @@
+#!/bin/bash
+# rcc performance test: compile each .sy with rcc, link via sylib.c, run on qemu,
+# record sylib TOTAL: us and wall time. Output TSV.
+#
+# Compare logic matches run_rv64_e2e.sh: .out = stdout + last line = retcode.
+#
+# Source code for RCC-Legacy.
+# Copyright (C) 2026 Richard Qin
+#
+# This file is part of RCC.
+#
+# RCC is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 3, or (at your option) any later
+# version.
+#
+# RCC is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with RCC; see the file LICENSE.  If not see
+# <http://www.gnu.org/licenses/>.
+
+set -u
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+COMPILER="$PROJECT_DIR/../build-rcc-legacy/rcc"
+SYLIB="$SCRIPT_DIR/runtime/sylib.c"
+RV_GCC="/opt/riscv64-glibc/bin/riscv64-unknown-linux-gnu-gcc"
+QEMU="/opt/riscv64-glibc/bin/qemu-riscv64"
+TEST_DIR="${1:-$SCRIPT_DIR/performance}"
+TIMEOUT=90
+
+WORKDIR=$(mktemp -d /tmp/rcc_perf_XXXXXX)
+REPORT="$WORKDIR/perf_report.tsv"
+echo -e "case\trcc_us\twall_s\tnote" > "$REPORT"
+echo "workdir: $WORKDIR"
+
+parse_total() {
+    awk '/TOTAL:/ {
+        match($0, /([0-9]+)H-([0-9]+)M-([0-9]+)S-([0-9]+)us/, a)
+        printf "%d", (a[1]*3600 + a[2]*60 + a[3]) * 1000000 + a[4]
+        exit
+    }' "$1"
+}
+
+run_one() {
+    local sy=$1
+    local base="${sy%.sy}"; local name=$(basename "$base")
+    local in=/dev/null; [ -f "$base.in" ] && in="$base.in"
+
+    local s="$WORKDIR/$name.s"
+    local elf="$WORKDIR/$name.elf"
+    if ! timeout 60 "$COMPILER" -S -o "$s" "$sy" 2>"$WORKDIR/$name.cerr"; then
+        echo -e "$name\t-\t-\trcc_compile_fail" >> "$REPORT"
+        return
+    fi
+    if ! "$RV_GCC" -static -march=rv64gc -o "$elf" "$s" "$SYLIB" 2>"$WORKDIR/$name.lerr"; then
+        echo -e "$name\t-\t-\tlink_fail" >> "$REPORT"
+        return
+    fi
+
+    local t0 t1
+    t0=$(date +%s.%N)
+    timeout "$TIMEOUT" "$QEMU" "$elf" <"$in" >"$WORKDIR/$name.out" 2>"$WORKDIR/$name.serr"
+    local rc=$?
+    t1=$(date +%s.%N)
+    local wall=$(awk "BEGIN { printf \"%.3f\", $t1 - $t0 }")
+
+    local us=$(parse_total "$WORKDIR/$name.serr")
+    [ -z "$us" ] && us="-"
+
+    local note="ok"
+    if [ $rc -eq 124 ]; then
+        note="timeout"
+    elif [ -f "$base.out" ]; then
+        local expected_out=$(head -n -1 "$base.out")
+        local expected_ret=$(tail -n 1 "$base.out")
+        local actual_out=$(cat "$WORKDIR/$name.out")
+        if [ "$actual_out" != "$expected_out" ]; then
+            note="WA_stdout"
+        elif [ "$rc" != "$expected_ret" ]; then
+            note="WA_ret(got=$rc,exp=$expected_ret)"
+        fi
+    fi
+
+    echo -e "$name\t$us\t$wall\t$note" >> "$REPORT"
+    printf "  %-40s %12s us  %8s s  %s\n" "$name" "$us" "$wall" "$note"
+}
+
+for sy in $(ls "$TEST_DIR"/*.sy | sort); do
+    run_one "$sy"
+done
+
+echo ""
+echo "report: $REPORT"