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Add allocation sinking and store sinking optimization.

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This commit is contained in:
Mike Pall
2012-07-02 23:47:12 +02:00
parent 79e1eaa73b
commit 0af3f47ba0
15 changed files with 749 additions and 88 deletions
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15
src/jit/dump.lua
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@@ -374,10 +374,13 @@ local function dump_snap(tr)
end
-- Return a register name or stack slot for a rid/sp location.
local function ridsp_name(ridsp)
local function ridsp_name(ridsp, ins)
if not disass then disass = require("jit.dis_"..jit.arch) end
local rid = band(ridsp, 0xff)
if ridsp > 255 then return format("[%x]", shr(ridsp, 8)*4) end
local rid, slot = band(ridsp, 0xff), shr(ridsp, 8)
if rid == 253 or rid == 254 then
return slot == 0 and " {sink" or format(" {%04d", ins-slot)
end
if ridsp > 255 then return format("[%x]", slot*4) end
if rid < 128 then return disass.regname(rid) end
return ""
end
@@ -458,13 +461,15 @@ local function dump_ir(tr, dumpsnap, dumpreg)
end
elseif op ~= "NOP " and op ~= "CARG " and
(dumpreg or op ~= "RENAME") then
local rid = band(ridsp, 255)
if dumpreg then
out:write(format("%04d %-5s ", ins, ridsp_name(ridsp)))
out:write(format("%04d %-6s", ins, ridsp_name(ridsp, ins)))
else
out:write(format("%04d ", ins))
end
out:write(format("%s%s %s %s ",
band(ot, 128) == 0 and " " or ">",
(rid == 254 or rid == 253) and "}" or
(band(ot, 128) == 0 and " " or ">"),
band(ot, 64) == 0 and " " or "+",
irtype[t], op))
local m1, m2 = band(m, 3), band(m, 3*4)