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Registerification of the VDBE is complete. The operand stack has been

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removed from the code.  All instructions operate out of registers only. (CVS 4718)

FossilOrigin-Name: 706b41b70bd1e2030e6fa44358c38a26c5cf0985
This commit is contained in:
drh
2008-01-17 16:22:13 +00:00
parent 07a518ebf6
commit 9cbf3425fb
20 changed files with 394 additions and 680 deletions
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38
mkopcodeh.awk
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@@ -51,7 +51,6 @@
sub("\r","",name)
op[name] = -1
jump[name] = 0
nopush[name] = 0
out2_prerelease[name] = 0
in1[name] = 0
in2[name] = 0
@@ -68,9 +67,7 @@
}
x = $i
sub(",","",x)
if(x=="no-push"){
nopush[name] = 1
}else if(x=="jump"){
if(x=="jump"){
jump[name] = 1
}else if(x=="out2-prerelease"){
out2_prerelease[name] = 1
@@ -130,16 +127,16 @@ END {
for(name in op){
x = op[name]
a0 = a1 = a2 = a3 = a4 = a5 = a6 = a7 = 0
a8 = a9 = a10 = a11 = a12 = a13 = a14 = a15 = 0
# a8 = a9 = a10 = a11 = a12 = a13 = a14 = a15 = 0
if( jump[name] ) a0 = 1;
if( nopush[name]==0 ) a1 = 2;
if( out2_prerelease[name] ) a2 = 4;
if( in1[name] ) a3 = 8;
if( in2[name] ) a4 = 16;
if( in3[name] ) a5 = 32;
if( out2[name] ) a6 = 64;
if( out3[name] ) a7 = 128;
bv[x] = a0+a1+a2+a3+a4+a5+a6+a7+a8+a9+a10+a11+a12+a13+a14+a15;
if( out2_prerelease[name] ) a1 = 2;
if( in1[name] ) a2 = 4;
if( in2[name] ) a3 = 8;
if( in3[name] ) a4 = 16;
if( out2[name] ) a5 = 32;
if( out3[name] ) a6 = 64;
# bv[x] = a0+a1+a2+a3+a4+a5+a6+a7+a8+a9+a10+a11+a12+a13+a14+a15;
bv[x] = a0+a1+a2+a3+a4+a5+a6;
}
print "\n"
print "/* Properties such as \"out2\" or \"jump\" that are specified in"
@@ -147,17 +144,16 @@ END {
print "** are encoded into bitvectors as follows:"
print "*/"
print "#define OPFLG_JUMP 0x0001 /* jump: P2 holds jmp target */"
print "#define OPFLG_PUSH 0x0002 /* ~no-push: Does not push */"
print "#define OPFLG_OUT2_PRERELEASE 0x0004 /* out2-prerelease: */"
print "#define OPFLG_IN1 0x0008 /* in1: P1 is an input */"
print "#define OPFLG_IN2 0x0010 /* in2: P2 is an input */"
print "#define OPFLG_IN3 0x0020 /* in3: P3 is an input */"
print "#define OPFLG_OUT2 0x0040 /* out2: P2 is an output */"
print "#define OPFLG_OUT3 0x0080 /* out3: P3 is an output */"
print "#define OPFLG_OUT2_PRERELEASE 0x0002 /* out2-prerelease: */"
print "#define OPFLG_IN1 0x0004 /* in1: P1 is an input */"
print "#define OPFLG_IN2 0x0008 /* in2: P2 is an input */"
print "#define OPFLG_IN3 0x0010 /* in3: P3 is an input */"
print "#define OPFLG_OUT2 0x0020 /* out2: P2 is an output */"
print "#define OPFLG_OUT3 0x0040 /* out3: P3 is an output */"
print "#define OPFLG_INITIALIZER {\\"
for(i=0; i<=max; i++){
if( i%8==0 ) printf("/* %3d */",i)
printf " 0x%04x,", bv[i]
printf " 0x%02x,", bv[i]
if( i%8==7 ) printf("\\\n");
}
print "}"