changeset 2f72755b4af7 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=2f72755b4af7
description:
X86: Implement the versions of PUNPCKLBW that use XMM registers.
diffstat:
2 files changed, 19 insertions(+), 3 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa
| 2 -
src/arch/x86/isa/insts/simd128/integer/data_reordering/unpack_and_interleave.py
| 20 +++++++++-
diffs (46 lines):
diff -r b252af5cda46 -r 2f72755b4af7
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:17:29
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:18:19
2009 -0700
@@ -562,7 +562,7 @@
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
- 0x0: punpcklbw_Vo_Wq();
+ 0x0: Inst::PUNPCKLBW(Vo,Wq);
0x1: punpcklwd_Vo_Wq();
0x2: punpckldq_Vo_Wq();
0x3: packsswb_Vo_Wo();
diff -r b252af5cda46 -r 2f72755b4af7
src/arch/x86/isa/insts/simd128/integer/data_reordering/unpack_and_interleave.py
---
a/src/arch/x86/isa/insts/simd128/integer/data_reordering/unpack_and_interleave.py
Mon Aug 17 18:17:29 2009 -0700
+++
b/src/arch/x86/isa/insts/simd128/integer/data_reordering/unpack_and_interleave.py
Mon Aug 17 18:18:19 2009 -0700
@@ -54,12 +54,28 @@
# Authors: Gabe Black
microcode = '''
+def macroop PUNPCKLBW_XMM_XMM {
+ unpack xmmh, xmml, xmmlm, sel=1, size=1
+ unpack xmml, xmml, xmmlm, sel=0, size=1
+};
+
+def macroop PUNPCKLBW_XMM_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ unpack xmmh, xmml, ufp1, sel=1, size=1
+ unpack xmml, xmml, ufp1, sel=0, size=1
+};
+
+def macroop PUNPCKLBW_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ unpack xmmh, xmml, ufp1, sel=1, size=1
+ unpack xmml, xmml, ufp1, sel=0, size=1
+};
+'''
# PUNPCKHBW
# PUNPCKHWD
# PUNPCKHDQ
# PUNPCKHQDQ
-# PUNPCKLBW
# PUNPCKLWD
# PUNPCKLDQ
# PUNPCKLQDQ
-'''
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