e2285af309
This simple patch avoids the ICE described in the PR:
internal compiler error: in simd_valid_immediate, at config/arm/arm.cc:12866
with an early exit from simd_valid_immediate if we are trying to
handle a vector of booleans and MVE is not enabled.
We still get an ICE when compiling the existing
gcc.dg/rtl/arm/mve-vxbi.c without -march=armv8.1-m.main+mve:
error: unrecognizable insn:
(insn 7 5 8 2 (set (reg:V4BI 114)
(const_vector:V4BI [
(const_int 1 [0x1])
(const_int 0 [0]) repeated x2
(const_int 1 [0x1])
])) -1
(nil))
during RTL pass: ira
but there's little we can do since the testcase explicitly creates
vectors of booleans which do need MVE.
That is the reason why I do not add a testcase.
2022-04-19 Christophe Lyon <christophe.lyon@arm.com>
PR target/104662
* config/arm/arm.cc (simd_valid_immediate): Exit when input is a
vector of booleans and MVE is not enabled.
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