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Slightly smaller and faster implementation of OP_If and OP_IfNot.

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FossilOrigin-Name: 6ab42934e2c4957b5d8927bf4434a9db07ab6078987a6a2d25f35cc468d21203
This commit is contained in:
drh 2018-01-25 01:20:29 +00:00
parent 9f8952390a
commit cad42838d7
3 changed files with 12 additions and 12 deletions
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12
manifest
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@ -1,5 +1,5 @@
C When\sunpacking\sa\ssorter\srecord,\sdo\sso\sfrom\sright\sto\sleft\sinstead\sof\sleft\sto\nright,\ssince\sby\sstarting\swith\sthe\sright-most\scolumn,\sthe\swork\sdone\sby\nOP_Column\sopcodes\sis\sreduced.
D 2018-01-24T20:42:42.319
C Slightly\ssmaller\sand\sfaster\simplementation\sof\sOP_If\sand\sOP_IfNot.
D 2018-01-25T01:20:29.953
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F Makefile.in 7a3f714b4fcf793108042b7b0a5c720b0b310ec84314d61ba7f3f49f27e550ea
@ -556,7 +556,7 @@ F src/update.c a90a32ffc0100265b0693dbbdbe490756447af181f5ea2c138cce515b08c8795
F src/utf.c 810fbfebe12359f10bc2a011520a6e10879ab2a163bcb26c74768eab82ea62a5
F src/util.c ef4a5f904d942e660abade7fbf3e6bdb402dabe9e7c27f3361ecf40b945538b5
F src/vacuum.c 90839322fd5f00df9617eb21b68beda9b6e2a2937576b0d65985e4aeb1c53739
F src/vdbe.c d4684bd5efad095d9e4405e5ca2e1168dc7aff643cae04c424e4bade70641d70
F src/vdbe.c 0e13b8c33a9ecf236b3045f190fb58933049582307b621cbd924b6582a2b705f
F src/vdbe.h 134beb7a12a6213c00eba58febaede33447cc4441bc568a0d9c144b33fc3720a
F src/vdbeInt.h 8d7d07f13cb3c4cbca91e22ba4a1920e542dda7c5d9299920432a0b3d5b009f5
F src/vdbeapi.c fea41171884a4de119f8b10ab514c788674eeeb7f27218bb6d008e1310bfd07f
@ -1702,7 +1702,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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U drh
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2
manifest.uuid
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@ -1 +1 @@
8055e4f42446ceb5bcf752bbf41a73289c3ca759c56c9f779edc3d7f202b7881
6ab42934e2c4957b5d8927bf4434a9db07ab6078987a6a2d25f35cc468d21203

10
src/vdbe.c
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@ -2289,11 +2289,11 @@ case OP_IfNot: { /* jump, in1 */
if( pIn1->flags & MEM_Null ){
c = pOp->p3;
}else{
#ifdef SQLITE_OMIT_FLOATING_POINT
c = sqlite3VdbeIntValue(pIn1)!=0;
#else
c = sqlite3VdbeRealValue(pIn1)!=0.0;
#endif
if( pIn1->flags & MEM_Int ){
c = pIn1->u.i!=0;
}else{
c = sqlite3VdbeRealValue(pIn1)!=0.0;
}
if( pOp->opcode==OP_IfNot ) c = !c;
}
VdbeBranchTaken(c!=0, 2);