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[PPC] Make assembler.cpp compile over 30 times faster #7120

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Merged
bdash merged 1 commit into from
Jul 29, 2025
Merged

[PPC] Make assembler.cpp compile over 30 times faster #7120

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7 changes: 4 additions & 3 deletions arch/powerpc/assembler.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ struct info {
uint32_t mask; /* which bits to mutate */
};

map<string, info> lookup = {
static const map<string_view, info> lookup = {
{ "tdi NUM , GPR , NUM",{0x0800000A,0x03FFFFFF}}, // 000010xxxxxxxxxxxxxxxxxxxxxxxxxx tdi 0, r0, 0xa
{ "tdlgti GPR , NUM",{0x08200000,0x001FFFFF}}, // 00001000001xxxxxxxxxxxxxxxxxxxxx tdlgti r0, 0
{ "tdllti GPR , NUM",{0x08400000,0x001FFFFF}}, // 00001000010xxxxxxxxxxxxxxxxxxxxx tdllti r0, 0
Expand Down Expand Up @@ -2932,12 +2932,13 @@ int assemble_single(string src, uint32_t addr, uint8_t *result, string& err,

MYLOG("src:%s has signature:%s\n", src.c_str(), sig_src.c_str());

if(lookup.find(sig_src) == lookup.end()) {
auto it = lookup.find(sig_src);
if(it == lookup.end()) {
err = "invalid syntax in " + sig_src;
return -1;
}

auto info = lookup[sig_src];
auto info = it->second;
uint32_t vary_mask = info.mask;

/* for relative branches, shift the target address to 0 */
Expand Down
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