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Fix switch/case

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Fix switch for signed/unsigned switch
Also add new testcase 118
This commit is contained in:
herman ten brugge 2020-08-18 20:05:53 +02:00
parent b107f7bdd9
commit 696b765437
3 changed files with 118 additions and 1 deletions
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4
tccgen.c
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@ -7131,7 +7131,9 @@ again:
qsort(sw->p, sw->n, sizeof(void*), case_cmpi);
for (b = 1; b < sw->n; b++)
if (sw->p[b - 1]->v2 >= sw->p[b]->v1)
if (sw->sv.type.t & VT_UNSIGNED
? (uint64_t)sw->p[b - 1]->v2 >= (uint64_t)sw->p[b]->v1
: sw->p[b - 1]->v2 >= sw->p[b]->v1)
tcc_error("duplicate case value");
vpushv(&sw->sv);

75
tests/tests2/118_switch_test.c Normal file
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@ -0,0 +1,75 @@
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
int ibdg(long long n)
{
switch (n) {
case 1LL ... 9LL: return 1;
case 10LL ... 99LL: return 2;
case 100LL ... 999LL: return 3;
case 1000LL ... 9999LL: return 4;
case 10000LL ... 99999LL: return 5;
case 100000LL ... 999999LL: return 6;
case 1000000LL ... 9999999LL: return 7;
case 10000000LL ... 99999999LL: return 8;
case 100000000LL ... 999999999LL: return 9;
case 1000000000LL ... 9999999999LL: return 10;
case 10000000000LL ... 99999999999LL: return 11;
case 100000000000LL ... 999999999999LL: return 12;
case 1000000000000LL ... 9999999999999LL: return 13;
case 10000000000000LL ... 99999999999999LL: return 14;
case 100000000000000LL ... 999999999999999LL: return 15;
case 1000000000000000LL ... 9999999999999999LL: return 16;
case 10000000000000000LL ... 99999999999999999LL: return 17;
case 100000000000000000LL ... 999999999999999999LL: return 18;
case 1000000000000000000LL ... 9223372036854775807LL: return 19;
case -9223372036854775807LL-1LL ... -1LL: return 20;
}
return 0;
}
int ubdg(unsigned long long n)
{
switch (n) {
case 1ULL ... 9ULL: return 1;
case 10ULL ... 99ULL: return 2;
case 100ULL ... 999ULL: return 3;
case 1000ULL ... 9999ULL: return 4;
case 10000ULL ... 99999ULL: return 5;
case 100000ULL ... 999999ULL: return 6;
case 1000000ULL ... 9999999ULL: return 7;
case 10000000ULL ... 99999999ULL: return 8;
case 100000000ULL ... 999999999ULL: return 9;
case 1000000000ULL ... 9999999999ULL: return 10;
case 10000000000ULL ... 99999999999ULL: return 11;
case 100000000000ULL ... 999999999999ULL: return 12;
case 1000000000000ULL ... 9999999999999ULL: return 13;
case 10000000000000ULL ... 99999999999999ULL: return 14;
case 100000000000000ULL ... 999999999999999ULL: return 15;
case 1000000000000000ULL ... 9999999999999999ULL: return 16;
case 10000000000000000ULL ... 99999999999999999ULL: return 17;
case 100000000000000000ULL ... 999999999999999999ULL: return 18;
case 1000000000000000000ULL ... 9999999999999999999ULL: return 19;
case 10000000000000000000ULL ... 18446744073709551615ULL: return 20;
}
return 0;
}
int main(int argc, char **argv)
{
unsigned int i;
unsigned long long v = 1;
v = 1;
for (i = 1; i <= 20; i++) {
printf("%lld : %d\n", (long long) v, ibdg((long long)v));
v *= 10;
}
v = 1;
for (i = 1; i <= 20; i++) {
printf("%llu : %d\n", v, ubdg(v));
v *= 10;
}
return 0;
}

40
tests/tests2/118_switch_test.expect Normal file
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@ -0,0 +1,40 @@
1 : 1
10 : 2
100 : 3
1000 : 4
10000 : 5
100000 : 6
1000000 : 7
10000000 : 8
100000000 : 9
1000000000 : 10
10000000000 : 11
100000000000 : 12
1000000000000 : 13
10000000000000 : 14
100000000000000 : 15
1000000000000000 : 16
10000000000000000 : 17
100000000000000000 : 18
1000000000000000000 : 19
-8446744073709551616 : 20
1 : 1
10 : 2
100 : 3
1000 : 4
10000 : 5
100000 : 6
1000000 : 7
10000000 : 8
100000000 : 9
1000000000 : 10
10000000000 : 11
100000000000 : 12
1000000000000 : 13
10000000000000 : 14
100000000000000 : 15
1000000000000000 : 16
10000000000000000 : 17
100000000000000000 : 18
1000000000000000000 : 19
10000000000000000000 : 20