Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(695)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: runtime/vm/simulator_arm.cc

Issue 19678020: Implements ARM SIMD comparison instructions. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « runtime/vm/disassembler_arm.cc ('k') | no next file » | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: runtime/vm/simulator_arm.cc
===================================================================
--- runtime/vm/simulator_arm.cc (revision 25188)
+++ runtime/vm/simulator_arm.cc (working copy)
@@ -2914,9 +2914,15 @@
int8_t* s8d_8 = reinterpret_cast<int8_t*>(&s8d);
int8_t* s8n_8 = reinterpret_cast<int8_t*>(&s8n);
int8_t* s8m_8 = reinterpret_cast<int8_t*>(&s8m);
+ uint8_t* s8n_u8 = reinterpret_cast<uint8_t*>(&s8n);
+ uint8_t* s8m_u8 = reinterpret_cast<uint8_t*>(&s8m);
int16_t* s8d_16 = reinterpret_cast<int16_t*>(&s8d);
int16_t* s8n_16 = reinterpret_cast<int16_t*>(&s8n);
int16_t* s8m_16 = reinterpret_cast<int16_t*>(&s8m);
+ uint16_t* s8n_u16 = reinterpret_cast<uint16_t*>(&s8n);
+ uint16_t* s8m_u16 = reinterpret_cast<uint16_t*>(&s8m);
+ int32_t* s8n_32 = reinterpret_cast<int32_t*>(&s8n);
+ int32_t* s8m_32 = reinterpret_cast<int32_t*>(&s8m);
int64_t* s8d_64 = reinterpret_cast<int64_t*>(&s8d);
int64_t* s8n_64 = reinterpret_cast<int64_t*>(&s8n);
int64_t* s8m_64 = reinterpret_cast<int64_t*>(&s8m);
@@ -3014,6 +3020,12 @@
s8d.data_[i].u = s8n.data_[i].u ^ s8m.data_[i].u;
}
} else if ((instr->Bits(8, 4) == 1) && (instr->Bit(4) == 1) &&
+ (instr->Bits(20, 2) == 3) && (instr->Bits(23, 2) == 0)) {
+ // Format(instr, "vornq 'qd, 'qn, 'qm");
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n.data_[i].u | ~s8m.data_[i].u;
+ }
+ } else if ((instr->Bits(8, 4) == 1) && (instr->Bit(4) == 1) &&
(instr->Bits(20, 2) == 2) && (instr->Bits(23, 2) == 0)) {
if (qm == qn) {
// Format(instr, "vmovq 'qd, 'qm");
@@ -3037,26 +3049,152 @@
// Format(instr, "vdupb 'qd, 'dm['imm4_vdup]");
int8_t* dm_b = reinterpret_cast<int8_t*>(&dm_value);
idx = imm4 >> 1;
+ int8_t val = dm_b[idx];
for (int i = 0; i < 16; i++) {
- s8d_8[i] = dm_b[idx];
+ s8d_8[i] = val;
}
} else if ((imm4 & 2) != 0) {
// Format(instr, "vduph 'qd, 'dm['imm4_vdup]");
int16_t* dm_h = reinterpret_cast<int16_t*>(&dm_value);
idx = imm4 >> 2;
+ int16_t val = dm_h[idx];
for (int i = 0; i < 8; i++) {
- s8d_16[i] = dm_h[idx];
+ s8d_16[i] = val;
}
} else if ((imm4 & 4) != 0) {
// Format(instr, "vdupw 'qd, 'dm['imm4_vdup]");
int32_t* dm_w = reinterpret_cast<int32_t*>(&dm_value);
idx = imm4 >> 3;
+ int32_t val = dm_w[idx];
for (int i = 0; i < 4; i++) {
- s8d.data_[i].u = dm_w[idx];
+ s8d.data_[i].u = val;
}
} else {
UnimplementedInstruction(instr);
}
+ } else if ((instr->Bits(8, 4) == 8) && (instr->Bit(4) == 1) &&
+ (instr->Bits(23, 2) == 2)) {
+ // Format(instr, "vceqq'sz 'qd, 'qn, 'qm");
+ const int size = instr->Bits(20, 2);
+ if (size == 0) {
+ for (int i = 0; i < 16; i++) {
+ s8d_8[i] = s8n_8[i] == s8m_8[i] ? 0xff : 0;
+ }
+ } else if (size == 1) {
+ for (int i = 0; i < 8; i++) {
+ s8d_16[i] = s8n_16[i] == s8m_16[i] ? 0xffff : 0;
+ }
+ } else if (size == 2) {
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n.data_[i].u == s8m.data_[i].u ? 0xffffffff : 0;
+ }
+ } else if (size == 3) {
+ UnimplementedInstruction(instr);
+ } else {
+ UNREACHABLE();
+ }
+ } else if ((instr->Bits(8, 4) == 14) && (instr->Bit(4) == 0) &&
+ (instr->Bits(20, 2) == 0) && (instr->Bits(23, 2) == 0)) {
+ // Format(instr, "vceqqs 'qd, 'qn, 'qm");
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n.data_[i].f == s8m.data_[i].f ? 0xffffffff : 0;
+ }
+ } else if ((instr->Bits(8, 4) == 3) && (instr->Bit(4) == 1) &&
+ (instr->Bits(23, 2) == 0)) {
+ // Format(instr, "vcgeq'sz 'qd, 'qn, 'qm");
+ const int size = instr->Bits(20, 2);
+ if (size == 0) {
+ for (int i = 0; i < 16; i++) {
+ s8d_8[i] = s8n_8[i] >= s8m_8[i] ? 0xff : 0;
+ }
+ } else if (size == 1) {
+ for (int i = 0; i < 8; i++) {
+ s8d_16[i] = s8n_16[i] >= s8m_16[i] ? 0xffff : 0;
+ }
+ } else if (size == 2) {
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n_32[i] >= s8m_32[i] ? 0xffffffff : 0;
+ }
+ } else if (size == 3) {
+ UnimplementedInstruction(instr);
+ } else {
+ UNREACHABLE();
+ }
+ } else if ((instr->Bits(8, 4) == 3) && (instr->Bit(4) == 1) &&
+ (instr->Bits(23, 2) == 2)) {
+ // Format(instr, "vcugeq'sz 'qd, 'qn, 'qm");
+ const int size = instr->Bits(20, 2);
+ if (size == 0) {
+ for (int i = 0; i < 16; i++) {
+ s8d_8[i] = s8n_u8[i] >= s8m_u8[i] ? 0xff : 0;
+ }
+ } else if (size == 1) {
+ for (int i = 0; i < 8; i++) {
+ s8d_16[i] = s8n_u16[i] >= s8m_u16[i] ? 0xffff : 0;
+ }
+ } else if (size == 2) {
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n.data_[i].u >= s8m.data_[i].u ? 0xffffffff : 0;
+ }
+ } else if (size == 3) {
+ UnimplementedInstruction(instr);
+ } else {
+ UNREACHABLE();
+ }
+ } else if ((instr->Bits(8, 4) == 14) && (instr->Bit(4) == 0) &&
+ (instr->Bits(20, 2) == 0) && (instr->Bits(23, 2) == 2)) {
+ // Format(instr, "vcgeqs 'qd, 'qn, 'qm");
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n.data_[i].f >= s8m.data_[i].f ? 0xffffffff : 0;
+ }
+ } else if ((instr->Bits(8, 4) == 3) && (instr->Bit(4) == 0) &&
+ (instr->Bits(23, 2) == 0)) {
+ // Format(instr, "vcgtq'sz 'qd, 'qn, 'qm");
+ const int size = instr->Bits(20, 2);
+ if (size == 0) {
+ for (int i = 0; i < 16; i++) {
+ s8d_8[i] = s8n_8[i] > s8m_8[i] ? 0xff : 0;
+ }
+ } else if (size == 1) {
+ for (int i = 0; i < 8; i++) {
+ s8d_16[i] = s8n_16[i] > s8m_16[i] ? 0xffff : 0;
+ }
+ } else if (size == 2) {
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n_32[i] > s8m_32[i] ? 0xffffffff : 0;
+ }
+ } else if (size == 3) {
+ UnimplementedInstruction(instr);
+ } else {
+ UNREACHABLE();
+ }
+ } else if ((instr->Bits(8, 4) == 3) && (instr->Bit(4) == 0) &&
+ (instr->Bits(23, 2) == 2)) {
+ // Format(instr, "vcugtq'sz 'qd, 'qn, 'qm");
+ const int size = instr->Bits(20, 2);
+ if (size == 0) {
+ for (int i = 0; i < 16; i++) {
+ s8d_8[i] = s8n_u8[i] > s8m_u8[i] ? 0xff : 0;
+ }
+ } else if (size == 1) {
+ for (int i = 0; i < 8; i++) {
+ s8d_16[i] = s8n_u16[i] > s8m_u16[i] ? 0xffff : 0;
+ }
+ } else if (size == 2) {
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n.data_[i].u > s8m.data_[i].u ? 0xffffffff : 0;
+ }
+ } else if (size == 3) {
+ UnimplementedInstruction(instr);
+ } else {
+ UNREACHABLE();
+ }
+ } else if ((instr->Bits(8, 4) == 14) && (instr->Bit(4) == 0) &&
+ (instr->Bits(20, 2) == 2) && (instr->Bits(23, 2) == 2)) {
+ // Format(instr, "vcgtqs 'qd, 'qn, 'qm");
+ for (int i = 0; i < 4; i++) {
+ s8d.data_[i].u = s8n.data_[i].f > s8m.data_[i].f ? 0xffffffff : 0;
+ }
} else {
UnimplementedInstruction(instr);
}
« no previous file with comments | « runtime/vm/disassembler_arm.cc ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698