Author: Richard Plangger <planri...@gmail.com>
Branch: ppc-vsx-support
Changeset: r85474:2374b5acaee5
Date: 2016-06-30 14:14 +0200
http://bitbucket.org/pypy/pypy/changeset/2374b5acaee5/
Log: add a test to ensure the correct assembly for a xx3 form
diff --git a/rpython/jit/backend/ppc/test/test_vector_instr.py
b/rpython/jit/backend/ppc/test/test_vector_instr.py
--- a/rpython/jit/backend/ppc/test/test_vector_instr.py
+++ b/rpython/jit/backend/ppc/test/test_vector_instr.py
@@ -61,7 +61,7 @@
@vec_asmtest(memory=[(16, signed, [0,0])])
def test_unaligned_load(self, a, mem):
a.load_imm(r15, mem)
- a.lxvd2x(vr0.value, 0, r15.value)
+ a.lxvd2x(0, 0, r15.value)
a.blr()
return [ (0, signed, mem), (0, signed, mem+8) ]
@@ -69,8 +69,27 @@
def test_unaligned_load_and_store(self, a, mem_l, mem_t):
a.load_imm(r15, mem_l)
a.load_imm(r14, mem_t)
- a.lxvd2x(vr0.value, 0, r15.value)
- a.stxvd2x(vr0.value, 0, r14.value)
+ a.lxvd2x(0, 0, r15.value)
+ a.stxvd2x(0, 0, r14.value)
a.blr()
return [ (1, signed, mem_t), (2, signed, mem_t+8) ]
+ def test_xx3_instr(self):
+ a = PPCBuilder()
+ def assign_to_self(v):
+ self.last_value = v
+ a.emit = assign_to_self
+
+ a.xxspltdl(32, 32, 32)
+ # tttttaaaaabbbbb
abt
+ assert hex(int(self.last_value)) ==
hex(0b11110000000000000000000001010111)
+ a.xxspltdl(32, 2, 2)
+ # tttttaaaaabbbbb
abt
+ assert hex(int(self.last_value)) ==
hex(0b11110000000000100001000001010001)
+ a.xxspltdl(0, 63, 0)
+ # tttttaaaaabbbbb
abt
+ assert hex(int(self.last_value)) ==
hex(0b11110000000111110000000001010100)
+ a.xxspltdl(0, 0, 63)
+ # tttttaaaaabbbbb
abt
+ assert hex(int(self.last_value)) ==
hex(0b11110000000000001111100001010010)
+
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