From: Chao Liu <chao.liu@yeah.net>
This case, it copied 64 bytes from a0 to a1 with vlsseg8e32.
Signed-off-by: Chao Liu <chao.liu@zevorn.cn>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Eric Biggers <ebiggers@kernel.org>
---
tests/tcg/riscv64/Makefile.softmmu-target | 7 +-
tests/tcg/riscv64/test-vlsseg8e32.S | 107 ++++++++++++++++++++++
2 files changed, 113 insertions(+), 1 deletion(-)
create mode 100644 tests/tcg/riscv64/test-vlsseg8e32.S
diff --git a/tests/tcg/riscv64/Makefile.softmmu-target b/tests/tcg/riscv64/Makefile.softmmu-target
index 3ca595335d..e52c005f87 100644
--- a/tests/tcg/riscv64/Makefile.softmmu-target
+++ b/tests/tcg/riscv64/Makefile.softmmu-target
@@ -7,7 +7,7 @@ VPATH += $(TEST_SRC)
LINK_SCRIPT = $(TEST_SRC)/semihost.ld
LDFLAGS = -T $(LINK_SCRIPT)
-CFLAGS += -g -Og
+CFLAGS += -march=rv64gcv -mabi=lp64d -g -Og
%.o: %.S
$(CC) $(CFLAGS) $< -Wa,--noexecstack -c -o $@
@@ -24,5 +24,10 @@ EXTRA_RUNS += run-test-mepc-masking
run-test-mepc-masking: test-mepc-masking
$(call run-test, $<, $(QEMU) $(QEMU_OPTS)$<)
+EXTRA_RUNS += run-vlsseg8e32
+run-vlsseg8e32: QEMU_OPTS := -cpu rv64,v=true $(QEMU_OPTS)
+run-vlsseg8e32: test-vlsseg8e32
+ $(call run-test, $<, $(QEMU) $(QEMU_OPTS)$<)
+
# We don't currently support the multiarch system tests
undefine MULTIARCH_TESTS
diff --git a/tests/tcg/riscv64/test-vlsseg8e32.S b/tests/tcg/riscv64/test-vlsseg8e32.S
new file mode 100644
index 0000000000..bbc79d5e8d
--- /dev/null
+++ b/tests/tcg/riscv64/test-vlsseg8e32.S
@@ -0,0 +1,107 @@
+#
+# QEMU RISC-V Vector Strided Load Instruction testcase
+#
+# Copyright (c) 2025 Chao Liu chao.liu@yeah.net
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+ .option norvc
+
+ .section .data
+ .align 4
+source_data:
+ .asciz "Test the vssseg8e32 insn by copy 64b and verifying correctness."
+ .equ source_len, 64
+
+ .text
+ .global _start
+_start:
+ lla t0, trap
+ csrw mtvec, t0
+
+enable_rvv:
+
+ li x15, 0x800000000024112d
+ csrw 0x301, x15
+ li x1, 0x2200
+ csrr x2, mstatus
+ or x2, x2, x1
+ csrw mstatus, x2
+
+rvv_test_func:
+ la a0, source_data
+ li a1, 0x80020000
+ vsetivli zero, 1, e32, m1, ta, ma
+ li t0, 64
+
+ vlsseg8e32.v v0, (a0), t0
+ addi a0, a0, 32
+ vlsseg8e32.v v8, (a0), t0
+
+ vssseg8e32.v v0, (a1), t0
+ addi a1, a1, 32
+ vssseg8e32.v v8, (a1), t0
+
+compare_start:
+ la a0, source_data
+ li a1, 0x80020000
+ li t0, 0
+ li t1, source_len
+
+compare_loop:
+ # when t0 >= len, compare end
+ bge t0, t1, compare_done
+
+ lb t2, 0(a0)
+ lb t3, 0(a1)
+ bne t2, t3, compare_fail
+
+ addi a0, a0, 1
+ addi a1, a1, 1
+ addi t0, t0, 1
+ j compare_loop
+
+compare_done:
+ # compare ok, return 0
+ li a0, 0
+ j _exit
+
+compare_fail:
+ # compare failed, return 2
+ li a0, 2
+ j _exit
+
+trap:
+ # When an instruction traps, compare it to the insn in memory.
+ csrr t0, mepc
+ csrr t1, mtval
+ lwu t2, 0(t0)
+ bne t1, t2, fail
+
+ # Skip the insn and continue.
+ addi t0, t0, 4
+ csrw mepc, t0
+ mret
+
+fail:
+ li a0, 1
+
+# Exit code in a0
+_exit:
+ lla a1, semiargs
+ li t0, 0x20026 # ADP_Stopped_ApplicationExit
+ sd t0, 0(a1)
+ sd a0, 8(a1)
+ li a0, 0x20 # TARGET_SYS_EXIT_EXTENDED
+
+ # Semihosting call sequence
+ .balign 16
+ slli zero, zero, 0x1f
+ ebreak
+ srai zero, zero, 0x7
+ j .
+
+ .data
+ .balign 16
+semiargs:
+ .space 16
--
2.50.1