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Fix long double to long long for x86_64

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herman ten brugge
2025-08-23 14:48:34 +02:00
parent acb2a909dd
commit 6ca6328e29
2 changed files with 12 additions and 0 deletions
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3
tcctok.h
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@@ -290,6 +290,9 @@
DEF(TOK___fixdfdi, "__fixdfdi") DEF(TOK___fixdfdi, "__fixdfdi")
DEF(TOK___fixxfdi, "__fixxfdi") DEF(TOK___fixxfdi, "__fixxfdi")
#endif #endif
#if defined TCC_TARGET_X86_64
DEF(TOK___fixxfdi, "__fixxfdi")
#endif
#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
DEF(TOK_alloca, "alloca") DEF(TOK_alloca, "alloca")

9
x86_64-gen.c
View File

@@ -2153,6 +2153,15 @@ void gen_cvt_ftoi(int t)
ft = vtop->type.t; ft = vtop->type.t;
bt = ft & VT_BTYPE; bt = ft & VT_BTYPE;
if (bt == VT_LDOUBLE) { if (bt == VT_LDOUBLE) {
if (t != VT_INT) {
vpush_helper_func(TOK___fixxfdi);
vswap();
gfunc_call(1);
vpushi(0);
vtop->r = REG_IRET;
vtop->r2 = REG_IRE2;
return;
}
gen_cvt_ftof(VT_DOUBLE); gen_cvt_ftof(VT_DOUBLE);
bt = VT_DOUBLE; bt = VT_DOUBLE;
} }