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Fix edge case in rlwnm when the mask is 32 bits wide. All tests now pass.

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This commit is contained in:
David Given 2018-06-17 11:00:01 +02:00
parent 7ec9f54679
commit 89e8956bb2
1 changed files with 1 additions and 1 deletions
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plat/linuxppc/emu/emu.c
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@ -278,7 +278,7 @@ static uint32_t rotate(uint32_t i, uint32_t shift)
static uint32_t rlwnm(uint32_t source, uint8_t shift, uint8_t mb, uint8_t me)
{
uint8_t masksize = 1 + me - mb; /* me and mb are inclusive */
uint32_t mask = ((1<<masksize)-1) << (31 - me);
uint32_t mask = (((uint64_t)1<<masksize)-1) << (31 - me);
return rotate(source, shift) & mask;
}