Mercurial > hg > truffle
diff src/cpu/x86/vm/x86_64.ad @ 558:3b5ac9e7e6ea
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 |
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--- a/src/cpu/x86/vm/x86_64.ad Wed Jan 21 11:18:38 2009 -0800 +++ b/src/cpu/x86/vm/x86_64.ad Mon Jan 26 16:22:12 2009 +0100 @@ -6096,25 +6096,25 @@ // ins_pipe(ialu_reg_mem); // %} -// Load Char (16 bit UNsigned) -instruct loadC(rRegI dst, memory mem) -%{ - match(Set dst (LoadC mem)); +// Load Unsigned Short/Char (16 bit UNsigned) +instruct loadUS(rRegI dst, memory mem) +%{ + match(Set dst (LoadUS mem)); ins_cost(125); - format %{ "movzwl $dst, $mem\t# char" %} + format %{ "movzwl $dst, $mem\t# ushort/char" %} opcode(0x0F, 0xB7); ins_encode(REX_reg_mem(dst, mem), OpcP, OpcS, reg_mem(dst, mem)); ins_pipe(ialu_reg_mem); %} -// Load Char (16 bit UNsigned) into long -// instruct loadC2L(rRegL dst, memory mem) +// Load Unsigned Short/Char (16 bit UNsigned) into long +// instruct loadUS2L(rRegL dst, memory mem) // %{ -// match(Set dst (ConvI2L (LoadC mem))); +// match(Set dst (ConvI2L (LoadUS mem))); // ins_cost(125); -// format %{ "movzwl $dst, $mem\t# char -> long" %} +// format %{ "movzwl $dst, $mem\t# ushort/char -> long" %} // opcode(0x0F, 0xB7); // ins_encode(REX_reg_mem(dst, mem), OpcP, OpcS, reg_mem(dst, mem)); // ins_pipe(ialu_reg_mem);