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Issue 12255031: ARM: Change signature for vmov.32 function in the assembler (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 10 months ago
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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions 5 // modification, are permitted provided that the following conditions
6 // are met: 6 // are met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
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2114 2114
2115 // Move the high part of the double into the higher of the 2115 // Move the high part of the double into the higher of the
2116 // corresponsing S registers of D register dst. 2116 // corresponsing S registers of D register dst.
2117 mov(ip, Operand(hi)); 2117 mov(ip, Operand(hi));
2118 vmov(dst.high(), ip, cond); 2118 vmov(dst.high(), ip, cond);
2119 } else { 2119 } else {
2120 // D16-D31 does not have S registers, so move the low and high parts 2120 // D16-D31 does not have S registers, so move the low and high parts
2121 // directly to the D register using vmov.32. 2121 // directly to the D register using vmov.32.
2122 // Note: This may be slower, so we only do this when we have to. 2122 // Note: This may be slower, so we only do this when we have to.
2123 mov(ip, Operand(lo)); 2123 mov(ip, Operand(lo));
2124 vmov(dst, 0, ip, cond); 2124 vmov(dst, VmovIndexLo, ip, cond);
2125 mov(ip, Operand(hi)); 2125 mov(ip, Operand(hi));
2126 vmov(dst, 1, ip, cond); 2126 vmov(dst, VmovIndexHi, ip, cond);
2127 } 2127 }
2128 } else { 2128 } else {
2129 // Move the low and high parts of the double to a D register in one 2129 // Move the low and high parts of the double to a D register in one
2130 // instruction. 2130 // instruction.
2131 mov(ip, Operand(lo)); 2131 mov(ip, Operand(lo));
2132 mov(scratch, Operand(hi)); 2132 mov(scratch, Operand(hi));
2133 vmov(dst, ip, scratch, cond); 2133 vmov(dst, ip, scratch, cond);
2134 } 2134 }
2135 } 2135 }
2136 } 2136 }
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2160 int vd, d; 2160 int vd, d;
2161 dst.split_code(&vd, &d); 2161 dst.split_code(&vd, &d);
2162 int vm, m; 2162 int vm, m;
2163 src.split_code(&vm, &m); 2163 src.split_code(&vm, &m);
2164 emit(cond | 0x1D*B23 | d*B22 | 0x3*B20 | vd*B12 | 0x5*B9 | B8 | B6 | m*B5 | 2164 emit(cond | 0x1D*B23 | d*B22 | 0x3*B20 | vd*B12 | 0x5*B9 | B8 | B6 | m*B5 |
2165 vm); 2165 vm);
2166 } 2166 }
2167 2167
2168 2168
2169 void Assembler::vmov(const DwVfpRegister dst, 2169 void Assembler::vmov(const DwVfpRegister dst,
2170 int index, 2170 const VmovIndex index,
2171 const Register src, 2171 const Register src,
2172 const Condition cond) { 2172 const Condition cond) {
2173 // Dd[index] = Rt 2173 // Dd[index] = Rt
2174 // Instruction details available in ARM DDI 0406C.b, A8-940. 2174 // Instruction details available in ARM DDI 0406C.b, A8-940.
2175 // cond(31-28) | 1110(27-24) | 0(23) | opc1=0index(22-21) | 0(20) | 2175 // cond(31-28) | 1110(27-24) | 0(23) | opc1=0index(22-21) | 0(20) |
2176 // Vd(19-16) | Rt(15-12) | 1011(11-8) | D(7) | opc2=00(6-5) | 1(4) | 0000(3-0) 2176 // Vd(19-16) | Rt(15-12) | 1011(11-8) | D(7) | opc2=00(6-5) | 1(4) | 0000(3-0)
2177 ASSERT(CpuFeatures::IsEnabled(VFP2)); 2177 ASSERT(CpuFeatures::IsEnabled(VFP2));
2178 ASSERT(index == 0 || index == 1); 2178 ASSERT(index.index == 0 || index.index == 1);
2179 int vd, d; 2179 int vd, d;
2180 dst.split_code(&vd, &d); 2180 dst.split_code(&vd, &d);
2181 emit(cond | 0xE*B24 | index*B21 | vd*B16 | src.code()*B12 | 0xB*B8 | d*B7 | 2181 emit(cond | 0xE*B24 | index.index*B21 | vd*B16 | src.code()*B12 | 0xB*B8 |
2182 B4); 2182 d*B7 | B4);
2183 } 2183 }
2184 2184
2185 2185
2186 void Assembler::vmov(const DwVfpRegister dst, 2186 void Assembler::vmov(const DwVfpRegister dst,
2187 const Register src1, 2187 const Register src1,
2188 const Register src2, 2188 const Register src2,
2189 const Condition cond) { 2189 const Condition cond) {
2190 // Dm = <Rt,Rt2>. 2190 // Dm = <Rt,Rt2>.
2191 // Instruction details available in ARM DDI 0406C.b, A8-948. 2191 // Instruction details available in ARM DDI 0406C.b, A8-948.
2192 // cond(31-28) | 1100(27-24)| 010(23-21) | op=0(20) | Rt2(19-16) | 2192 // cond(31-28) | 1100(27-24)| 010(23-21) | op=0(20) | Rt2(19-16) |
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3026 3026
3027 // Since a constant pool was just emitted, move the check offset forward by 3027 // Since a constant pool was just emitted, move the check offset forward by
3028 // the standard interval. 3028 // the standard interval.
3029 next_buffer_check_ = pc_offset() + kCheckPoolInterval; 3029 next_buffer_check_ = pc_offset() + kCheckPoolInterval;
3030 } 3030 }
3031 3031
3032 3032
3033 } } // namespace v8::internal 3033 } } // namespace v8::internal
3034 3034
3035 #endif // V8_TARGET_ARCH_ARM 3035 #endif // V8_TARGET_ARCH_ARM
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