Implement iwMMXt instruction set for the PXA270 cpu.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2752 c046a42c-6fe2-441c-8c8c-71466251a162

2 files changed, 52 insertions, 0 deletions

diff --git a/tests/Makefile b/tests/Makefile
index 79a3d55..ec3a93c 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -82,6 +82,9 @@ hello-arm: hello-arm.o
 hello-arm.o: hello-arm.c
 	arm-linux-gcc -Wall -g -O2 -c -o $@ $<
 
+test-arm-iwmmxt: test-arm-iwmmxt.s
+	cpp < $< | arm-linux-gnu-gcc -Wall -static -march=iwmmxt -mabi=aapcs -x assembler - -o $@
+
 # MIPS test
 hello-mips: hello-mips.c
 	mips-linux-gnu-gcc -nostdlib -static -mno-abicalls -fno-PIC -mabi=32 -Wall -Wextra -g -O2 -o $@ $<
diff --git a/tests/test-arm-iwmmxt.s b/tests/test-arm-iwmmxt.s
new file mode 100644
index 0000000..d647f94
--- /dev/null
+++ b/tests/test-arm-iwmmxt.s
@@ -0,0 +1,49 @@
+@ Checks whether iwMMXt is functional.
+.code	32
+.globl	main
+
+main:
+ldr	r0, =data0
+ldr	r1, =data1
+ldr	r2, =data2
+#ifndef FPA
+wldrd	wr0, [r0, #0]
+wldrd	wr1, [r0, #8]
+wldrd	wr2, [r1, #0]
+wldrd	wr3, [r1, #8]
+wsubb	wr2, wr2, wr0
+wsubb	wr3, wr3, wr1
+wldrd	wr0, [r2, #0]
+wldrd	wr1, [r2, #8]
+waddb	wr0, wr0, wr2
+waddb	wr1, wr1, wr3
+wstrd	wr0, [r2, #0]
+wstrd	wr1, [r2, #8]
+#else
+ldfe	f0, [r0, #0]
+ldfe	f1, [r0, #8]
+ldfe	f2, [r1, #0]
+ldfe	f3, [r1, #8]
+adfdp	f2, f2, f0
+adfdp	f3, f3, f1
+ldfe	f0, [r2, #0]
+ldfe	f1, [r2, #8]
+adfd	f0, f0, f2
+adfd	f1, f1, f3
+stfe	f0, [r2, #0]
+stfe	f1, [r2, #8]
+#endif
+mov	r0, #1
+mov	r1, r2
+mov	r2, #0x11
+swi	#0x900004
+mov	r0, #0
+swi	#0x900001
+
+.data
+data0:
+.string	"aaaabbbbccccdddd"
+data1:
+.string	"bbbbccccddddeeee"
+data2:
+.string	"hvLLWs\x1fsdrs9\x1fNJ-\n"