From 2beab367d75e5f6cc30a194ac4d8160b50fb29a7 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Mon, 17 Aug 2009 20:15:16 -0700 Subject: [PATCH] X86: Implement the media average instructions. --- src/arch/x86/isa/decoder/two_byte_opcodes.isa | 70 +++++++++---------- .../simd128/integer/arithmetic/average.py | 61 +++++++++++++++- .../simd64/integer/arithmetic/average.py | 31 +++++++- 3 files changed, 122 insertions(+), 40 deletions(-) diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index d136fcbce..478c7f309 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -1000,43 +1000,41 @@ } default: UD2(); } - } - 0x1C: decode LEGACY_DECODEVAL { - // no prefix - 0x0: decode OPCODE_OP_BOTTOM3 { - 0x0: pavgb_Pq_Qq(); - 0x1: Inst::PSRAW(Pq,Qq); - 0x2: Inst::PSRAD(Pq,Qq); - 0x3: pavgw_Pq_Qq(); - 0x4: Inst::PMULHUW(Pq,Qq); - 0x5: Inst::PMULHW(Pq,Qq); - 0x7: movntq_Mq_Pq(); - default: Inst::UD2(); - } - // repe (0xF3) - 0x4: decode OPCODE_OP_BOTTOM3 { - 0x6: Inst::CVTDQ2PD(Vo,Wq); - default: Inst::UD2(); - } - // operand size (0x66) - 0x1: decode OPCODE_OP_BOTTOM3 { - 0x0: pavgb_Vo_Wo(); - 0x1: Inst::PSRAW(Vo,Wo); - 0x2: Inst::PSRAD(Vo,Wo); - 0x3: pavgw_Vo_Wo(); - 0x4: Inst::PMULHUW(Vo,Wo); - 0x5: Inst::PMULHW(Vo,Wo); - 0x6: cvttpd2dq_Vo_Wo(); - 0x7: movntdq_Mo_Vo(); - } - // repne (0xF2) - 0x8: decode OPCODE_OP_BOTTOM3 { - 0x6: cvtpd2dq_Vo_Wo(); - default: Inst::UD2(); + 0x1C: decode LEGACY_DECODEVAL { + // no prefix + 0x0: decode OPCODE_OP_BOTTOM3 { + 0x0: PAVGB(Pq,Qq); + 0x1: PSRAW(Pq,Qq); + 0x2: PSRAD(Pq,Qq); + 0x3: PAVGW(Pq,Qq); + 0x4: PMULHUW(Pq,Qq); + 0x5: PMULHW(Pq,Qq); + 0x7: WarnUnimpl::movntq_Mq_Pq(); + default: UD2(); + } + // repe (0xF3) + 0x4: decode OPCODE_OP_BOTTOM3 { + 0x6: CVTDQ2PD(Vo,Wq); + default: UD2(); + } + // operand size (0x66) + 0x1: decode OPCODE_OP_BOTTOM3 { + 0x0: PAVGB(Vo,Wo); + 0x1: PSRAW(Vo,Wo); + 0x2: PSRAD(Vo,Wo); + 0x3: PAVGW(Vo,Wo); + 0x4: PMULHUW(Vo,Wo); + 0x5: PMULHW(Vo,Wo); + 0x6: WarnUnimpl::cvttpd2dq_Vo_Wo(); + 0x7: WarnUnimpl::movntdq_Mo_Vo(); + } + // repne (0xF2) + 0x8: decode OPCODE_OP_BOTTOM3 { + 0x6: WarnUnimpl::cvtpd2dq_Vo_Wo(); + default: UD2(); + } + default: UD2(); } - default: Inst::UD2(); - } - format Inst { 0x1D: decode LEGACY_DECODEVAL { // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { diff --git a/src/arch/x86/isa/insts/simd128/integer/arithmetic/average.py b/src/arch/x86/isa/insts/simd128/integer/arithmetic/average.py index 9bda3371f..017443e55 100644 --- a/src/arch/x86/isa/insts/simd128/integer/arithmetic/average.py +++ b/src/arch/x86/isa/insts/simd128/integer/arithmetic/average.py @@ -54,6 +54,63 @@ # Authors: Gabe Black microcode = ''' -# PAVGB -# PAVGW +def macroop PAVGB_XMM_XMM { + mavg xmml, xmml, xmmlm, size=1, ext=0 + mavg xmmh, xmmh, xmmhm, size=1, ext=0 +}; + +def macroop PAVGB_XMM_M { + ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8 + mavg xmml, xmml, ufp1, size=1, ext=0 + mavg xmmh, xmmh, ufp2, size=1, ext=0 +}; + +def macroop PAVGB_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8 + mavg xmml, xmml, ufp1, size=1, ext=0 + mavg xmmh, xmmh, ufp2, size=1, ext=0 +}; + +def macroop PAVGUSB_XMM_XMM { + mavg xmml, xmml, xmmlm, size=1, ext=0 + mavg xmmh, xmmh, xmmhm, size=1, ext=0 +}; + +def macroop PAVGUSB_XMM_M { + ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8 + mavg xmml, xmml, ufp1, size=1, ext=0 + mavg xmmh, xmmh, ufp2, size=1, ext=0 +}; + +def macroop PAVGUSB_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8 + mavg xmml, xmml, ufp1, size=1, ext=0 + mavg xmmh, xmmh, ufp2, size=1, ext=0 +}; + +def macroop PAVGW_XMM_XMM { + mavg xmml, xmml, xmmlm, size=2, ext=0 + mavg xmmh, xmmh, xmmhm, size=2, ext=0 +}; + +def macroop PAVGW_XMM_M { + ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8 + mavg xmml, xmml, ufp1, size=2, ext=0 + mavg xmmh, xmmh, ufp2, size=2, ext=0 +}; + +def macroop PAVGW_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8 + mavg xmml, xmml, ufp1, size=2, ext=0 + mavg xmmh, xmmh, ufp2, size=2, ext=0 +}; ''' diff --git a/src/arch/x86/isa/insts/simd64/integer/arithmetic/average.py b/src/arch/x86/isa/insts/simd64/integer/arithmetic/average.py index af1b39097..54bc9e53c 100644 --- a/src/arch/x86/isa/insts/simd64/integer/arithmetic/average.py +++ b/src/arch/x86/isa/insts/simd64/integer/arithmetic/average.py @@ -54,7 +54,34 @@ # Authors: Gabe Black microcode = ''' -# PAVGB -# PAVGW +def macroop PAVGB_MMX_MMX { + mavg mmx, mmx, mmxm, size=1, ext=0 +}; + +def macroop PAVGB_MMX_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + mavg mmx, mmx, ufp1, size=1, ext=0 +}; + +def macroop PAVGB_MMX_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + mavg mmx, mmx, ufp1, size=1, ext=0 +}; + +def macroop PAVGW_MMX_MMX { + mavg mmx, mmx, mmxm, size=2, ext=0 +}; + +def macroop PAVGW_MMX_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + mavg mmx, mmx, ufp1, size=2, ext=0 +}; + +def macroop PAVGW_MMX_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + mavg mmx, mmx, ufp1, size=2, ext=0 +}; # PAVGUSB ''' -- 2.30.2