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| author | Roger Sayle <roger@nextmovesoftware.com> | 2024-08-28 21:19:28 -0600 |
|---|---|---|
| committer | Roger Sayle <roger@nextmovesoftware.com> | 2024-08-28 21:19:28 -0600 |
| commit | 3cb92be94e6581697369eeafdb67057c8cfba73f (patch) | |
| tree | acb838815e6ecbc2aaed7ffa35bfb51514843988 /gcc/tree-ssa-phiopt.cc | |
| parent | 155da081706e0e0527f01ad565b1cd6c217f5880 (diff) | |
| download | gcc-3cb92be94e6581697369eeafdb67057c8cfba73f.zip gcc-3cb92be94e6581697369eeafdb67057c8cfba73f.tar.gz gcc-3cb92be94e6581697369eeafdb67057c8cfba73f.tar.bz2 | |
i386: Support wide immediate constants in STV.
This patch provides more accurate costs/gains for (wide) immediate
constants in STV, suitably adjusting the costs/gains when the highpart
and lowpart words are the same.
2024-08-28 Roger Sayle <roger@nextmovesoftware.com>
gcc/ChangeLog
* config/i386/i386-features.cc (timode_immed_const_gain): New
function to determine the gain/cost on a CONST_WIDE_INT.
(timode_scalar_chain::compute_convert_gain): Fix whitespace.
<case CONST_WIDE_INT>: Provide more accurate estimates using
timode_immed_const_gain.
<case AND>: Handle CONSTANT_SCALAR_INT_P (src).
Diffstat (limited to 'gcc/tree-ssa-phiopt.cc')
0 files changed, 0 insertions, 0 deletions