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No longer directly stack variables in assembly

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Changed initial flag loading


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1519
This commit is contained in:
Sjoerd van der Berg 2004-01-01 20:33:22 +00:00
parent ce71f7d35a
commit 00e6d3c31d
1 changed files with 12 additions and 22 deletions
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34
src/cpu/core_dyn_x86/risc_x86.h
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@ -71,7 +71,6 @@ public:
};
static Bit32u kut=10;
static BlockReturn gen_runcode(Bit8u * code) {
BlockReturn retval;
#if defined (_MSC_VER)
@ -106,35 +105,26 @@ static BlockReturn gen_runcode(Bit8u * code) {
}
#else
__asm__ volatile (
"pushfl \n"
"movl %1,%%ebx \n"
"andl %2,%%ebx \n"
"popl %%ecx \n"
"andl %3,%%ecx \n"
"orl %%ebx,%%ecx \n"
"pushl %%ecx \n"
"movl %1,%%esi \n"
"andl %2,%%esi \n"
"pushl %%ebp \n"
"pushl %%esi \n"
"popfl \n"
"call %4 \n"
"calll %4 \n"
"popl %%ebp \n"
"pushfl \n"
"movl %1,%%ebx \n"
"andl %3,%%ebx \n"
"popl %%ecx \n"
"andl %2,%%ecx \n"
"orl %%ecx,%%ebx \n"
"movl %%ebx,%1 \n"
"andl %3,(%1) \n"
"popl %%esi \n"
"andl %2,%%esi \n"
"orl %%esi,(%1) \n"
:"=a" (retval)
:"m" (reg_flags), "n" (FMASK_TEST),"n" (~FMASK_TEST),"m" (code)
:"%ecx","%edx","%ebx","%ebp","%edi","%esi","cc","memory"
:"m" (reg_flags), "n" (FMASK_TEST),"n" (~FMASK_TEST),"r" (code)
:"%ecx","%edx","%ebx","%edi","%esi","cc","memory"
);
#endif
return retval;
}
static GenReg * FindDynReg(DynReg * dynreg) {
x86gen.last_used++;
if (dynreg->genreg) {