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authorGabe Black <gblack@eecs.umich.edu>2007-09-06 16:18:34 -0700
committerGabe Black <gblack@eecs.umich.edu>2007-09-06 16:18:34 -0700
commit389abade01f44ce7204776c0d71f89c8d3177d9d (patch)
tree8ce232e25289338e6c404ad80c6f02ef319ae76c /src/arch/x86/isa/decoder
parent4478487c372ac79fb98b85f3710ab3c101c82a00 (diff)
downloadgem5-389abade01f44ce7204776c0d71f89c8d3177d9d.tar.xz
X86: Add a square root microop and the SSE sqrt instruction.
--HG-- extra : convert_revision : ddc6e7e95111189d43f75bf84cd3d82433d982b3
Diffstat (limited to 'src/arch/x86/isa/decoder')
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index ae2318899..eae994706 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -283,12 +283,14 @@
0x7: Inst::XORPD(Vq,Wq);
default: Inst::UD2();
}
- // repne (0xF2)
- 0x8: decode OPCODE_OP_BOTTOM3 {
- 0x1: sqrtsd_Vq_Wq();
- default: Inst::UD2();
+ format Inst {
+ // repne (0xF2)
+ 0x8: decode OPCODE_OP_BOTTOM3 {
+ 0x1: SQRTSD(Vq,Wq);
+ default: UD2();
+ }
+ default: UD2();
}
- default: Inst::UD2();
}
0x0B: decode LEGACY_DECODEVAL {
// no prefix