1fce5932a3
Looking at PR99929 showed that we weren't dumping enough information
about variable-length CONST_VECTORs. Something like:
(const_vector:VNx4SI [(const_int 1) (const_int 0)])
could be either:
(a) 1, 0, 1, 0, repeating
(b) 1 followed by all zeros
This patch adds more information to the dumps. There are four cases:
(a) above:
(const_vector:VNx4SI repeat [
(const_int 1)
(const_int 0)
])
(b) above:
(const_vector:VNx4SI [
(const_int 1)
repeat [
(const_int 0)
]
])
a single stepped sequence:
(const_vector:VNx4SI [
(const_int 0)
stepped [
(const_int 1)
(const_int 2)
]
])
interleaved stepped sequences:
(const_vector:VNx4SI [
(const_int 0)
(const_int 40)
stepped (interleave 2) [
(const_int 1)
(const_int 41)
(const_int 2)
(const_int 42)
]
])
There are probably better syntaxes, but hopefully this is at least
an improvement on the status quo.
gcc/
* print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
more information about variable-length CONST_VECTORs.
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