df103c09bc
An overflow occurs for SLAG when at least one shifted bit is not equal
to sign bit. Therefore, we need to check that `shift + 1` bits are
neither all 0s nor all 1s. The current code checks only `shift` bits,
missing some overflows.
Fixes:
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|---|---|---|
| .. | ||
| cc_helper.c | ||
| crypto_helper.c | ||
| excp_helper.c | ||
| fpu_helper.c | ||
| insn-data.def | ||
| insn-format.def | ||
| int_helper.c | ||
| mem_helper.c | ||
| meson.build | ||
| misc_helper.c | ||
| s390-tod.h | ||
| tcg_s390x.h | ||
| translate_vx.c.inc | ||
| translate.c | ||
| vec_fpu_helper.c | ||
| vec_helper.c | ||
| vec_int_helper.c | ||
| vec_string_helper.c | ||
| vec.h | ||