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comparison src/cpu/x86/vm/x86_64.ad @ 558:3b5ac9e7e6ea

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6796746: rename LoadC (char) opcode class to LoadUS (unsigned short) Summary: Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI. Reviewed-by: phh, kvn
author twisti
date Mon, 26 Jan 2009 16:22:12 +0100
parents a1980da045cc
children 2cacccded90f
comparison
equal deleted inserted replaced
557:465813e0303a 558:3b5ac9e7e6ea
6094 // opcode(0x0F, 0xBF); 6094 // opcode(0x0F, 0xBF);
6095 // ins_encode(REX_reg_mem_wide(dst, mem), OpcP, OpcS, reg_mem(dst, mem)); 6095 // ins_encode(REX_reg_mem_wide(dst, mem), OpcP, OpcS, reg_mem(dst, mem));
6096 // ins_pipe(ialu_reg_mem); 6096 // ins_pipe(ialu_reg_mem);
6097 // %} 6097 // %}
6098 6098
6099 // Load Char (16 bit UNsigned) 6099 // Load Unsigned Short/Char (16 bit UNsigned)
6100 instruct loadC(rRegI dst, memory mem) 6100 instruct loadUS(rRegI dst, memory mem)
6101 %{ 6101 %{
6102 match(Set dst (LoadC mem)); 6102 match(Set dst (LoadUS mem));
6103 6103
6104 ins_cost(125); 6104 ins_cost(125);
6105 format %{ "movzwl $dst, $mem\t# char" %} 6105 format %{ "movzwl $dst, $mem\t# ushort/char" %}
6106 opcode(0x0F, 0xB7); 6106 opcode(0x0F, 0xB7);
6107 ins_encode(REX_reg_mem(dst, mem), OpcP, OpcS, reg_mem(dst, mem)); 6107 ins_encode(REX_reg_mem(dst, mem), OpcP, OpcS, reg_mem(dst, mem));
6108 ins_pipe(ialu_reg_mem); 6108 ins_pipe(ialu_reg_mem);
6109 %} 6109 %}
6110 6110
6111 // Load Char (16 bit UNsigned) into long 6111 // Load Unsigned Short/Char (16 bit UNsigned) into long
6112 // instruct loadC2L(rRegL dst, memory mem) 6112 // instruct loadUS2L(rRegL dst, memory mem)
6113 // %{ 6113 // %{
6114 // match(Set dst (ConvI2L (LoadC mem))); 6114 // match(Set dst (ConvI2L (LoadUS mem)));
6115 6115
6116 // ins_cost(125); 6116 // ins_cost(125);
6117 // format %{ "movzwl $dst, $mem\t# char -> long" %} 6117 // format %{ "movzwl $dst, $mem\t# ushort/char -> long" %}
6118 // opcode(0x0F, 0xB7); 6118 // opcode(0x0F, 0xB7);
6119 // ins_encode(REX_reg_mem(dst, mem), OpcP, OpcS, reg_mem(dst, mem)); 6119 // ins_encode(REX_reg_mem(dst, mem), OpcP, OpcS, reg_mem(dst, mem));
6120 // ins_pipe(ialu_reg_mem); 6120 // ins_pipe(ialu_reg_mem);
6121 // %} 6121 // %}
6122 6122