target/hexagon: import additional tests

Signed-off-by: Alessandro Di Federico <ale@rev.ng>
Signed-off-by: Niccolò Izzo <nizzo@rev.ng>
Signed-off-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20220923173831.227551-12-anjo@rev.ng>

tests/tcg/hexagon/Makefile.target

@@ -24,7 +24,7 @@ CFLAGS += -fno-unroll-loops
 HEX_SRC=$(SRC_PATH)/tests/tcg/hexagon
 VPATH += $(HEX_SRC)
 
-first: $(HEX_SRC)/first.S
+%: $(HEX_SRC)/%.S $(HEX_SRC)/crt.S
 	$(CC) -static -mv67 -nostdlib $^ -o $@
 
 HEX_TESTS = first
@@ -44,6 +44,32 @@ HEX_TESTS += atomics
 HEX_TESTS += fpstuff
 HEX_TESTS += overflow
 
+HEX_TESTS += test_abs
+HEX_TESTS += test_bitcnt
+HEX_TESTS += test_bitsplit
+HEX_TESTS += test_call
+HEX_TESTS += test_clobber
+HEX_TESTS += test_cmp
+HEX_TESTS += test_dotnew
+HEX_TESTS += test_ext
+HEX_TESTS += test_fibonacci
+HEX_TESTS += test_hl
+HEX_TESTS += test_hwloops
+HEX_TESTS += test_jmp
+HEX_TESTS += test_lsr
+HEX_TESTS += test_mpyi
+HEX_TESTS += test_packet
+HEX_TESTS += test_reorder
+HEX_TESTS += test_round
+HEX_TESTS += test_vavgw
+HEX_TESTS += test_vcmpb
+HEX_TESTS += test_vcmpw
+HEX_TESTS += test_vlsrw
+HEX_TESTS += test_vmaxh
+HEX_TESTS += test_vminh
+HEX_TESTS += test_vpmpyh
+HEX_TESTS += test_vspliceb
+
 TESTS += $(HEX_TESTS)
 
 # This test has to be compiled for the -mv67t target

tests/tcg/hexagon/crt.S

@@ -0,0 +1,14 @@
+#define SYS_exit_group 94
+
+    .text
+    .globl pass
+pass:
+    r0 = #0
+    r6 = #SYS_exit_group
+    trap0(#1)
+
+    .globl fail
+fail:
+    r0 = #1
+    r6 = #SYS_exit_group
+    trap0(#1)

tests/tcg/hexagon/test_abs.S

@@ -0,0 +1,17 @@
+/* Purpose: test example, verify the soundness of the abs operation */
+
+    .text
+    .globl _start
+
+_start:
+    {
+        r1 = #-2
+        r2 = #2
+    }
+    {
+        r3 = abs(r1)
+    }
+    {
+        p0 = cmp.eq(r3, r2); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_bitcnt.S

@@ -0,0 +1,40 @@
+/*
+ * Purpose: test example, verify the soundness of the cl[01] operations.
+ *
+ * The number 0x000001aa has 23 leading zeroes
+ * they become 55 when considered as 64 bit register
+ * and it has 1 trailing zero.
+ */
+    .text
+    .globl _start
+
+_start:
+    {
+        r0 = #426
+        r1 = #0
+    }
+    {
+        r2 = cl0(r0)
+    }
+    {
+        p0 = cmp.eq(r2, #23); if (p0.new) jump:t test2
+        jump fail
+    }
+
+test2:
+    {
+        r2 = cl0(r1:0)
+    }
+    {
+        p0 = cmp.eq(r2, #55); if (p0.new) jump:t test3
+        jump fail
+    }
+
+test3:
+    {
+        r2 = ct0(r0)
+    }
+    {
+        p0 = cmp.eq(r2, #1); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_bitsplit.S

@@ -0,0 +1,22 @@
+/* Purpose: test example, verify the soundness of the bitsplit operation */
+
+    .text
+    .globl _start
+
+_start:
+    {
+        r1 = #187
+    }
+    {
+        r3:2 = bitsplit(r1, #3)
+    }
+    {
+        p0 = cmp.eq(r2, #3); if (p0.new) jump:t test2
+        jump fail
+    }
+
+test2:
+    {
+        p0 = cmp.eq(r3, #23); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_call.S

@@ -0,0 +1,64 @@
+/*
+ * Purpose: test function calls and duplex instructions.
+ * The string "Hello there, I'm a test string!" with the first letter replaced
+ * with a capital L should be printed out.
+ */
+
+#define SYS_write 64
+#define FD_STDOUT 1
+
+    .text
+    .globl    test
+test:
+    {
+        jumpr r31
+        memb(r0+#0) = #76
+    }
+.Lfunc_end0:
+.Ltmp0:
+    .size    test, .Ltmp0-test
+
+    .globl    _start
+_start:
+    {
+        r0 = ##dummy_buffer
+        allocframe(#0)
+        call test
+    }
+    {
+        call write
+    }
+    {
+        deallocframe
+        jump pass
+    }
+.Lfunc_end1:
+.Ltmp1:
+    .size    _start, .Ltmp1-_start
+
+write:
+    {
+        r6 = #SYS_write
+        r0 = #FD_STDOUT
+        r1 = ##dummy_buffer
+        r2 = #33
+    }
+    {
+        trap0(#1)
+    }
+    {
+        jumpr r31
+    }
+
+.Lfunc_end2:
+.Ltmp2:
+    .size    write, .Ltmp2-write
+
+    .type    dummy_buffer,@object
+    .data
+    .globl    dummy_buffer
+    .p2align    3
+dummy_buffer:
+    .string    "Hello there, I'm a test string!\n"
+    .space 223
+    .size    dummy_buffer, 256

tests/tcg/hexagon/test_clobber.S

@@ -0,0 +1,29 @@
+/*
+ * Purpose: demonstrate the succesful operation of the register save mechanism,
+ * in which the caller saves the registers that will be clobbered, and restores
+ * them after the call.
+ */
+
+    .text
+    .globl _start
+
+_start:
+    allocframe(#8)
+    {
+        r16 = #47
+        r17 = #155
+    }
+    memd(sp+#0) = r17:16
+    {
+        r16 = #255
+        r17 = #42
+    }
+    {
+        deallocframe
+        r17:16 = memd(sp+#0)
+    }
+    {
+        p0 = cmp.eq(r16, #47)
+        p0 = cmp.eq(r17, #155); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_cmp.S

@@ -0,0 +1,31 @@
+/* Purpose: test a signed and unsigned comparison */
+
+    .text
+    .globl _start
+
+_start:
+    {
+        jump signed
+    }
+
+    .globl signed
+signed:
+    {
+        r0 = #-2
+        r1 = #0
+    }
+    {
+        p0 = cmp.lt(r0, r1); if (p0.new) jump:t unsigned
+        jump fail
+    }
+
+    .globl unsigned
+unsigned:
+    {
+        r0 = #-2
+        r1 = #0
+    }
+    {
+        p0 = cmp.gtu(r0, r1); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_dotnew.S

@@ -0,0 +1,38 @@
+/* Purpose: test the .new operator while performing memory stores. */
+
+    .text
+    .globl _start
+
+_start:
+    {
+        allocframe(#16)
+    }
+    {
+        r0 = #1
+        memw(sp+#0) = r0.new
+    }
+    {
+        r1 = #2
+        memw(sp+#4) = r1.new
+    }
+    {
+        r2 = #3
+        memw(sp+#8) = r2.new
+    }
+    {
+        r0 = memw(sp+#8)
+    }
+    {
+        r1 = memw(sp+#4)
+    }
+    {
+        r2 = memw(sp+#0)
+    }
+    {
+        r3 = mpyi(r1, r2)
+    }
+    {
+        deallocframe
+        p0 = cmp.eq(r3, #2); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_ext.S

@@ -0,0 +1,13 @@
+/* Purpose: test immediate extender instructions. */
+
+    .text
+    .globl _start
+
+_start:
+    {
+        r2 = ##-559038737
+    }
+    {
+        p0 = cmp.eq(r2, ##-559038737); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_fibonacci.S

@@ -0,0 +1,30 @@
+/* Purpose: computes the Fibonacci series up to a constant number. */
+
+    .text
+    .globl _start
+
+_start:
+    {
+        r2 = #100
+    }
+    {
+        p0 = cmp.gt(r2, #0); if (!p0.new) jump:nt .LBB0_3
+    }
+    {
+        r3 = #0
+        r4 = #1
+    }
+.LBB0_2:
+    {
+        r5 = r4
+    }
+    {
+        p0 = cmp.gt(r2, r5); if (p0.new) jump:nt .LBB0_2
+        r4 = add(r3, r4)
+        r3 = r5
+    }
+.LBB0_3:
+    {
+        p0 = cmp.eq(r3, #144); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_hl.S

@@ -0,0 +1,16 @@
+/* Purpose: test example, verify the soundness of the high/low assignment */
+
+    .text
+    .globl _start
+
+_start:
+    {
+        r0.H = #42
+    }
+    {
+        r0.L = #69
+    }
+    {
+        p0 = cmp.eq(r0, #2752581); if (p0.new) jump:t pass
+        jump fail
+    }

tests/tcg/hexagon/test_hwloops.S

@@ -0,0 +1,19 @@
+/* Purpose: simple C Program to test hardware loops. */
+
+    .text
+    .globl _start
+
+_start:
+    {
+        loop0(.LBB0_1, #10)
+        r2 = #0
+    }
+.LBB0_1:
+    {
+        r2 = add(r2, #1)
+        nop
+    }:endloop0
+    {
+        p0 = cmp.eq(r2, #10); if (p0.new) jump:t pass
+        jump fail
+    }