From 3c5988b86c9fcb06927a8e12095e278b55593911 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Sun, 25 Jan 2009 20:32:43 -0800 Subject: X86: Implement the bswap instruction. --- src/arch/x86/isa/decoder/two_byte_opcodes.isa | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'src/arch/x86/isa/decoder') diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index 4ebe03d84..064f5ce86 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -915,7 +915,11 @@ default: Inst::UD2(); } } - 0x19: bswap_B(); + 0x19: decode OPSIZE { + 4: Inst::BSWAP_D(Bd); + 8: Inst::BSWAP_Q(Bq); + default: Inst::UD2(); + } 0x1A: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { -- cgit v1.2.3