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x86-64: Cast from 64bit pointer to long long must not generate movslq.

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Shinichiro Hamaji 2009-04-16 01:32:16 +09:00 committed by grischka
parent a9c78d04f2
commit be43c8e0ed
2 changed files with 11 additions and 1 deletions
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2
tcc.c
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@ -6228,7 +6228,7 @@ static void gen_cast(CType *type)
vpop(); vpop();
#else #else
int r = gv(RC_INT); int r = gv(RC_INT);
if (sbt != (VT_INT | VT_UNSIGNED)) { if (sbt != (VT_INT | VT_UNSIGNED) && sbt != VT_PTR) {
/* x86_64 specific: movslq */ /* x86_64 specific: movslq */
o(0x6348); o(0x6348);
o(0xc0 + (REG_VALUE(r) << 3) + REG_VALUE(r)); o(0xc0 + (REG_VALUE(r) << 3) + REG_VALUE(r));

10
tcctest.c
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@ -1109,6 +1109,8 @@ void cast_test()
char tab[10]; char tab[10];
unsigned b,d; unsigned b,d;
short s; short s;
char *p = NULL;
p -= 0x700000000042;
printf("cast_test:\n"); printf("cast_test:\n");
a = 0xfffff; a = 0xfffff;
@ -1150,6 +1152,14 @@ void cast_test()
printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a')); printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a')); printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a')); printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
/* from pointer to integer types */
printf("%d %d %d %d %d %d %ld %ld %lld %lld\n",
(char)p, (unsigned char)p,
(short)p, (unsigned short)p,
(int)p, (unsigned int)p,
(long)p, (unsigned long)p,
(long long)p, (unsigned long long)p);
} }
/* initializers tests */ /* initializers tests */