1 /* Test case for SHIFT_COUNT_TRUNCATED on Loongson. */
4 /* loongson.h does not handle or check for MIPS16ness. There doesn't
5 seem any good reason for it to, given that the Loongson processors
6 do not support MIPS16. */
7 /* { dg-options "isa=loongson -mhard-float -mno-mips16 -O1" } */
9 /* { dg-options "isa=loongson -mhard-float -mno-mips16 -O1 -mlong64" { mips*-*-elf* && ilp32 } } */
14 typedef union { int32x2_t v; int32_t a[2]; } int32x2_encap_t;
24 /* Loongson SIMD use low-order 7 bits to specify the shift amount.
25 Thus V2SI << 0x40 == 0. The below expression 'shift & 0x3f' will be
26 mis-optimized as 'shift', if SHIFT_COUNT_TRUNCATED is nonzero. */
27 r.v = psllw_s (s.v, (shift & 0x3f));
28 assert (r.a[0] == 0xffffffff);
29 assert (r.a[1] == 0xffffffff);