[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v8 26/38] tests/tcg/mips: Test R5900 three-operand M
From: |
Fredrik Noring |
Subject: |
[Qemu-devel] [PATCH v8 26/38] tests/tcg/mips: Test R5900 three-operand MULTU |
Date: |
Sun, 21 Oct 2018 17:41:13 +0200 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
Signed-off-by: Fredrik Noring <address@hidden>
---
tests/tcg/mips/mipsr5900/Makefile | 1 +
tests/tcg/mips/mipsr5900/multu.c | 39 +++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+)
create mode 100644 tests/tcg/mips/mipsr5900/multu.c
diff --git a/tests/tcg/mips/mipsr5900/Makefile
b/tests/tcg/mips/mipsr5900/Makefile
index 6757168fc9..b3ddb9a7bf 100644
--- a/tests/tcg/mips/mipsr5900/Makefile
+++ b/tests/tcg/mips/mipsr5900/Makefile
@@ -9,6 +9,7 @@ CC = $(CROSS)gcc
CFLAGS = -Wall -mabi=32 -march=r5900 -static
TESTCASES = mult.tst
+TESTCASES += multu.tst
all: $(TESTCASES)
diff --git a/tests/tcg/mips/mipsr5900/multu.c b/tests/tcg/mips/mipsr5900/multu.c
new file mode 100644
index 0000000000..3a59675395
--- /dev/null
+++ b/tests/tcg/mips/mipsr5900/multu.c
@@ -0,0 +1,39 @@
+/*
+ * Test R5900-specific three-operand MULTU.
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <assert.h>
+
+static uint64_t multu(uint32_t rs, uint32_t rt)
+{
+ uint32_t rd, lo, hi;
+ uint64_t r;
+
+ __asm__ __volatile__ (
+ " multu %0, %3, %4\n"
+ " mflo %1\n"
+ " mfhi %2\n"
+ : "=r" (rd), "=r" (lo), "=r" (hi)
+ : "r" (rs), "r" (rt));
+ r = ((uint64_t)hi << 32) | (uint32_t)lo;
+
+ assert((uint64_t)rs * rt == r);
+ assert(rd == lo);
+
+ return r;
+}
+
+int main()
+{
+ assert(multu(17, 19) == 323);
+ assert(multu(77773, 99991) == 7776600043);
+ assert(multu(12207031, 305175781) == 3725290219116211);
+
+ assert(multu(0x80000000U, 0x7FFFFFFF) == 0x3FFFFFFF80000000);
+ assert(multu(0x80000000U, 0x80000000U) == 0x4000000000000000);
+ assert(multu(0xFFFFFFFFU, 0xFFFFFFFFU) == 0xFFFFFFFE00000001U);
+
+ return 0;
+}
--
2.18.1
- [Qemu-devel] [PATCH v8 17/38] target/mips: Support R5900 three-operand MULT and MULTU, (continued)
- [Qemu-devel] [PATCH v8 17/38] target/mips: Support R5900 three-operand MULT and MULTU, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 18/38] target/mips: Support R5900 three-operand MULT1 and MULTU1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 19/38] target/mips: Support R5900 MFLO1, MTLO1, MFHI1 and MTHI1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 20/38] target/mips: Support R5900 DIV1 and DIVU1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 21/38] target/mips: Support R5900 MOVN, MOVZ and PREF from MIPS IV, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 22/38] target/mips: Support R5900 three-operand MADD and MADD1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 23/38] target/mips: Support R5900 three-operand MADDU and MADDU1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 24/38] target/mips: R5900 DMULT[U], DDIV[U], LL[D] and SC[D] are user only, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 25/38] tests/tcg/mips: Test R5900 three-operand MULT, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 27/38] tests/tcg/mips: Test R5900 three-operand MULT1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 26/38] tests/tcg/mips: Test R5900 three-operand MULTU,
Fredrik Noring <=
- [Qemu-devel] [PATCH v8 28/38] tests/tcg/mips: Test R5900 three-operand MULTU1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 29/38] tests/tcg/mips: Test R5900 MFLO1 and MFHI1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 30/38] tests/tcg/mips: Test R5900 MTLO1 and MTHI1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 31/38] tests/tcg/mips: Test R5900 DIV1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 32/38] tests/tcg/mips: Test R5900 DIVU1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 33/38] tests/tcg/mips: Test R5900 three-operand MADD, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 34/38] tests/tcg/mips: Test R5900 three-operand MADD1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 35/38] tests/tcg/mips: Test R5900 three-operand MADDU, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 36/38] tests/tcg/mips: Test R5900 three-operand MADDU1, Fredrik Noring, 2018/10/21
- [Qemu-devel] [PATCH v8 37/38] target/mips: Define the R5900 CPU, Fredrik Noring, 2018/10/21