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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 18:34:19 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 18:34:19 -0700 |
| commit | 449db8a37074fedb039e3b8fc6c5e09fdb167d82 (patch) | |
| tree | 2615017193357f4f1441522894fb3eceba4cc425 /src/arch/x86/isa | |
| parent | 6a923c1c79af1de9661c09afdd80ec805aff5e34 (diff) | |
| download | gem5-449db8a37074fedb039e3b8fc6c5e09fdb167d82.tar.xz | |
X86: Implement the media sqrt instructions.
Diffstat (limited to 'src/arch/x86/isa')
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 8 | ||||
| -rw-r--r-- | src/arch/x86/isa/insts/simd128/floating_point/arithmetic/square_root.py | 63 |
2 files changed, 61 insertions, 10 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index 4c608264c..faf9389a4 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -465,7 +465,7 @@ // no prefix 0x0: decode OPCODE_OP_BOTTOM3 { 0x0: movmskps_Gd_VRo(); - 0x1: sqrtps_Vo_Wo(); + 0x1: Inst::SQRTPS(Vo,Wo); 0x2: rqsrtps_Vo_Wo(); 0x3: rcpps_Vo_Wo(); 0x4: Inst::ANDPS(Vo,Wo); @@ -475,7 +475,7 @@ } // repe (0xF3) 0x4: decode OPCODE_OP_BOTTOM3 { - 0x1: sqrtss_Vd_Wd(); + 0x1: Inst::SQRTSS(Vd,Wd); 0x2: rsqrtss_Vd_Wd(); 0x3: rcpss_Vd_Wd(); default: Inst::UD2(); @@ -483,7 +483,7 @@ // operand size (0x66) 0x1: decode OPCODE_OP_BOTTOM3 { 0x0: movmskpd_Gd_VRo(); - 0x1: sqrtpd_Vo_Wo(); + 0x1: Inst::SQRTPD(Vo,Wo); 0x4: Inst::ANDPD(Vo,Wo); 0x5: Inst::ANDNPD(Vo,Wo); 0x6: Inst::ORPD(Vo,Wo); @@ -495,7 +495,7 @@ format Inst { // repne (0xF2) 0x8: decode OPCODE_OP_BOTTOM3 { - 0x1: SQRTSD(Vq,Wq); + 0x1: Inst::SQRTSD(Vq,Wq); default: UD2(); } default: UD2(); diff --git a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/square_root.py b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/square_root.py index 1591eee8e..fdeb30ddc 100644 --- a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/square_root.py +++ b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/square_root.py @@ -54,22 +54,73 @@ # Authors: Gabe Black microcode = ''' -# SQRTPS -# SQRTPD -# SQRTSS +def macroop SQRTSS_XMM_XMM { + msqrt xmml, xmmlm, size=4, ext=1 +}; + +def macroop SQRTSS_XMM_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + msqrt xmml, ufp1, size=4, ext=1 +}; + +def macroop SQRTSS_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + msqrt xmml, ufp1, size=4, ext=1 +}; + +def macroop SQRTPS_XMM_XMM { + msqrt xmml, xmmlm, size=4, ext=0 + msqrt xmmh, xmmhm, size=4, ext=0 +}; + +def macroop SQRTPS_XMM_M { + ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8 + msqrt xmml, ufp1, size=4, ext=0 + msqrt xmmh, ufp2, size=4, ext=0 +}; + +def macroop SQRTPS_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8 + msqrt xmml, ufp1, size=4, ext=0 + msqrt xmmh, ufp2, size=4, ext=0 +}; def macroop SQRTSD_XMM_XMM { - sqrtfp xmml, xmml, xmmlm + msqrt xmml, xmmlm, size=8, ext=1 }; def macroop SQRTSD_XMM_M { ldfp ufp1, seg, sib, disp, dataSize=8 - sqrtfp xmml, xmml, ufp1 + msqrt xmml, ufp1, size=8, ext=1 }; def macroop SQRTSD_XMM_P { rdip t7 ldfp ufp1, seg, riprel, disp, dataSize=8 - sqrtfp xmml, xmml, ufp1 + msqrt xmml, ufp1, size=8, ext=1 +}; + +def macroop SQRTPD_XMM_XMM { + msqrt xmml, xmmlm, size=8, ext=0 + msqrt xmmh, xmmhm, size=8, ext=0 +}; + +def macroop SQRTPD_XMM_M { + ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8 + msqrt xmml, ufp1, size=8, ext=0 + msqrt xmmh, ufp2, size=8, ext=0 +}; + +def macroop SQRTPD_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8 + msqrt xmml, ufp1, size=8, ext=0 + msqrt xmmh, ufp2, size=8, ext=0 }; ''' |