56 lines
1.0 KiB
C
56 lines
1.0 KiB
C
/* PR 34389 */
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/* { dg-do compile } */
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/* { dg-options "-Wconversion -Wsign-conversion" } */
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/* { dg-require-effective-target int32plus } */
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short mask1(short x)
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{
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short y = 0x7fff;
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return x & y;
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}
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short mask2(short ssx)
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{
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short ssy;
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short ssz;
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ssz = ((int)ssx) & 0x7fff;
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ssy = ((int)ssx) | 0x7fff;
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ssz = ((int)ssx) ^ 0x7fff;
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return ssx & 0x7fff;
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}
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short mask3(int si, unsigned int ui)
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{
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short ss;
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unsigned short us;
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ss = si & 0x7fff;
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ss = si & 0xAAAA; /* { dg-warning "conversion" } */
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ss = ui & 0x7fff;
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ss = ui & 0xAAAA; /* { dg-warning "conversion" } */
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us = si & 0x7fff;
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us = si & 0xAAAA; /* { dg-warning "conversion" } */
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us = ui & 0x7fff;
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us = ui & 0xAAAA; /* 0xAAAA is zero-extended, thus it masks the
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upper bits of 'ui' making it fit in 'us'. */
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return ss;
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}
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short mask4(int x, int y)
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{
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return x & y; /* { dg-warning "conversion" } */
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}
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short mask5(int x)
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{
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return x & -1; /* { dg-warning "conversion" } */
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}
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short mask6(short x)
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{
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return x & -1;
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}
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