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[Qemu-devel] [PULL v2 26/33] tests/tcg/mips: Add tests for R5900 MFLO1 a
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PULL v2 26/33] tests/tcg/mips: Add tests for R5900 MFLO1 and MFHI1 |
Date: |
Wed, 24 Oct 2018 15:40:40 +0200 |
From: Fredrik Noring <address@hidden>
Add a test for MFLO1 and MFHI1.
Reviewed-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Fredrik Noring <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
---
tests/tcg/mips/mipsr5900/Makefile | 3 ++-
tests/tcg/mips/mipsr5900/mflohi1.c | 35 +++++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+), 1 deletion(-)
create mode 100644 tests/tcg/mips/mipsr5900/mflohi1.c
diff --git a/tests/tcg/mips/mipsr5900/Makefile
b/tests/tcg/mips/mipsr5900/Makefile
index b3ddb9a..fd8ee6b 100644
--- a/tests/tcg/mips/mipsr5900/Makefile
+++ b/tests/tcg/mips/mipsr5900/Makefile
@@ -8,7 +8,8 @@ SIM_FLAGS=-cpu R5900
CC = $(CROSS)gcc
CFLAGS = -Wall -mabi=32 -march=r5900 -static
-TESTCASES = mult.tst
+TESTCASES = mflohi1.tst
+TESTCASES += mult.tst
TESTCASES += multu.tst
all: $(TESTCASES)
diff --git a/tests/tcg/mips/mipsr5900/mflohi1.c
b/tests/tcg/mips/mipsr5900/mflohi1.c
new file mode 100644
index 0000000..eed3683
--- /dev/null
+++ b/tests/tcg/mips/mipsr5900/mflohi1.c
@@ -0,0 +1,35 @@
+/*
+ * Test R5900-specific MFLO1 and MFHI1.
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <assert.h>
+
+int main()
+{
+ int32_t rs = 12207031, rt = 305175781;
+ int32_t rs1 = 32452867, rt1 = 49979687;
+ int64_t lo, hi, lo1, hi1;
+ int64_t r, r1;
+
+ /* Test both LO/HI and LO1/HI1 to verify separation. */
+ __asm__ __volatile__ (
+ " mult $0, %4, %5\n"
+ " mult1 $0, %6, %7\n"
+ " mflo %0\n"
+ " mfhi %1\n"
+ " mflo1 %2\n"
+ " mfhi1 %3\n"
+ : "=r" (lo), "=r" (hi),
+ "=r" (lo1), "=r" (hi1)
+ : "r" (rs), "r" (rt),
+ "r" (rs1), "r" (rt1));
+ r = ((int64_t)hi << 32) | (uint32_t)lo;
+ r1 = ((int64_t)hi1 << 32) | (uint32_t)lo1;
+
+ assert(r == 3725290219116211);
+ assert(r1 == 1621984134912629);
+
+ return 0;
+}
--
2.7.4
- [Qemu-devel] [PULL v2 06/33] target/mips: Define R5900 MMI1 opcode constants, (continued)
- [Qemu-devel] [PULL v2 06/33] target/mips: Define R5900 MMI1 opcode constants, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 12/33] target/mips: Add a placeholder for R5900 MMI0 instruction subclass, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 08/33] target/mips: Define R5900 MMI3 opcode constants, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 20/33] target/mips: Support R5900 MOVN, MOVZ and PREF instructions from MIPS IV, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 29/33] tests/tcg/mips: Add tests for R5900 DIVU1, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 24/33] tests/tcg/mips: Add tests for R5900 three-operand MULT1, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 17/33] target/mips: Support R5900 three-operand MULT1 and MULTU1 instructions, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 23/33] tests/tcg/mips: Add tests for R5900 three-operand MULTU, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 18/33] target/mips: Support R5900 MFLO1, MTLO1, MFHI1 and MTHI1 instructions, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 30/33] target/mips: Define the R5900 CPU, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 26/33] tests/tcg/mips: Add tests for R5900 MFLO1 and MFHI1,
Aleksandar Markovic <=
- [Qemu-devel] [PULL v2 22/33] tests/tcg/mips: Add tests for R5900 three-operand MULT, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 25/33] tests/tcg/mips: Add tests for R5900 three-operand MULTU1, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 21/33] target/mips: Make R5900 DMULT[U], DDIV[U], LL[D] and SC[D] user only, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 15/33] target/mips: Add a placeholder for R5900 MMI3 instruction subclass, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 19/33] target/mips: Support R5900 DIV1 and DIVU1 instructions, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 28/33] tests/tcg/mips: Add tests for R5900 DIV1, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 27/33] tests/tcg/mips: Add tests for R5900 MTLO1 and MTHI1, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 32/33] target/mips: Fix the title of translate.c, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 33/33] target/mips: Fix decoding of ALIGN and DALIGN instructions, Aleksandar Markovic, 2018/10/24
- [Qemu-devel] [PULL v2 31/33] linux-user/mips: Recognize the R5900 CPU model, Aleksandar Markovic, 2018/10/24