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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-17 09:10:43 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-17 09:10:43 +0200 |
| commit | f2ec263023649e596c5076df32c2d328bc9393d2 (patch) | |
| tree | 5dd86caab46e552bd2e62bf9c4fb1a7504a44db4 /results/scraper/fex/1717 | |
| parent | 63d2e9d409831aa8582787234cae4741847504b7 (diff) | |
| download | qemu-analysis-main.tar.gz qemu-analysis-main.zip | |
Diffstat (limited to 'results/scraper/fex/1717')
| -rw-r--r-- | results/scraper/fex/1717 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/results/scraper/fex/1717 b/results/scraper/fex/1717 new file mode 100644 index 000000000..dde7b98e3 --- /dev/null +++ b/results/scraper/fex/1717 @@ -0,0 +1,5 @@ +Reclaim SRA registers when running 32-bit x86 applications +Currently FEX hardcodes GPR and FPR static register allocation to be 16 registers apiece. +This is wasteful on 32-bit x86 since those applications only have access to 8 GPRs and 8 FPRs (plus MMX but we don't SRA though). + +If we are running a 32-bit application we should change our register allocator so it reclaims those remaining 8+8 registers as temporaries. This should give 32-bit applications a minor performance boost but nothing significant. \ No newline at end of file |