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#!/bin/sh
set -eu
: "${CPU_AS:?}"
TMP="${TMPDIR:-/tmp}/libcpu-imm-$$"
trap 'rm -f "$TMP".s "$TMP".o "$TMP".err "$TMP".out' EXIT HUP INT TERM
cat > "$TMP.s" <<'EOS'
.text
LDR r4096@0x00000, 3.14243987129849274029174912694696912849214e-286
HALT
EOS
if "$CPU_AS" -o "$TMP.o" "$TMP.s" >"$TMP.out" 2>"$TMP.err"; then
echo "cpu-as unexpectedly accepted inexact wide LDR" >&2
exit 1
fi
grep -F "$TMP.s:2: error:" "$TMP.err" >/dev/null
grep -F 'LDR immediate is not exactly representable as real64;' "$TMP.err" >/dev/null
grep -F 'use .real <bits>, value in DATA and LOAD' "$TMP.err" >/dev/null
cat > "$TMP.s" <<'EOS'
.text
LDR r32@0x00000, 0.1
HALT
EOS
if "$CPU_AS" -o "$TMP.o" "$TMP.s" >"$TMP.out" 2>"$TMP.err"; then
echo "cpu-as unexpectedly accepted inexact real32 LDR" >&2
exit 1
fi
grep -F 'LDR immediate is not exactly representable as real32;' "$TMP.err" >/dev/null
cat > "$TMP.s" <<'EOS'
.text
LDC c128@0x00000, 0.1r0+32.0j0
HALT
EOS
if "$CPU_AS" -o "$TMP.o" "$TMP.s" >"$TMP.out" 2>"$TMP.err"; then
echo "cpu-as unexpectedly accepted inexact complex immediate" >&2
exit 1
fi
grep -F 'LDC immediate component is not exactly representable as real32;' "$TMP.err" >/dev/null
grep -F 'use .complex <bits>, real, imag in DATA and LOAD' "$TMP.err" >/dev/null
cat > "$TMP.s" <<'EOS'
.text
LDI r8@0x00000, 255
HALT
EOS
if "$CPU_AS" -o "$TMP.o" "$TMP.s" >"$TMP.out" 2>"$TMP.err"; then
echo "cpu-as unexpectedly accepted lossy narrow integer immediate" >&2
exit 1
fi
grep -F 'LDI immediate is not exactly representable as integer8;' "$TMP.err" >/dev/null
grep -F 'use .integer <bits>, value in DATA and LOAD' "$TMP.err" >/dev/null
cat > "$TMP.s" <<'EOS'
.text
LDI r128@0x00000, 9223372036854775808
HALT
EOS
if "$CPU_AS" -o "$TMP.o" "$TMP.s" >"$TMP.out" 2>"$TMP.err"; then
echo "cpu-as unexpectedly accepted integer wider than IMM64" >&2
exit 1
fi
grep -F 'LDI immediate is not exactly representable as integer64;' "$TMP.err" >/dev/null
echo 'libcpu immediate exactness runner regression: PASS'
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