OrdinaryMagician/vkdoom_m
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- added a boolean cast VM instruction.

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Although this already helps a lot with the messed up code generated for comparisons it's not really a solution for this - it still needs a proper implementation to generate efficient code.
This commit is contained in:
Christoph Oelckers 2016-12-01 01:13:53 +01:00
commit 7688e14bec
5 changed files with 43 additions and 21 deletions
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11
src/scripting/vm/vmdisasm.cpp
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@ -90,6 +90,7 @@
#define THROW MODE_AIMMZ | MODE_BCTHROW
#define CATCH MODE_AIMMZ | MODE_BCCATCH
#define CAST MODE_AX | MODE_BX | MODE_CIMMZ | MODE_BCCAST
#define CASTB MODE_AI | MODE_BX | MODE_CIMMZ | MODE_BCCAST
#define RSRSRS MODE_AS | MODE_BS | MODE_CS
#define RIRS MODE_AI | MODE_BS | MODE_CUNUSED
@ -381,10 +382,18 @@ void VMDisasm(FILE *out, const VMOP *code, int codesize, const VMScriptFunction
break;
default:
if ((mode & MODE_BCTYPE) == MODE_BCCAST)
{
switch (code[i].c)
{
case CASTB_I:
mode = MODE_AI | MODE_BI | MODE_CUNUSED;
break;
case CASTB_A:
mode = MODE_AI | MODE_BP | MODE_CUNUSED;
break;
case CAST_I2F:
case CAST_U2F:
mode = MODE_AF | MODE_BI | MODE_CUNUSED;
@ -398,6 +407,7 @@ void VMDisasm(FILE *out, const VMOP *code, int codesize, const VMScriptFunction
break;
case CAST_F2I:
case CAST_F2U:
case CASTB_F:
mode = MODE_AI | MODE_BF | MODE_CUNUSED;
break;
case CAST_F2S:
@ -412,6 +422,7 @@ void VMDisasm(FILE *out, const VMOP *code, int codesize, const VMScriptFunction
case CAST_S2So:
case CAST_S2N:
case CAST_S2I:
case CASTB_S:
mode = MODE_AI | MODE_BS | MODE_CUNUSED;
break;
case CAST_S2F: