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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:35:14 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:35:14 +0200 |
| commit | 3e4c5a6261770bced301b5e74233e7866166ea5b (patch) | |
| tree | 9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_sparc/host_missing/accel_missing/2319 | |
| parent | e5634e2806195bee44407853c4bf8776f7abfa4f (diff) | |
| download | qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip | |
clean up repository
Diffstat (limited to 'gitlab/issues_text/target_sparc/host_missing/accel_missing/2319')
| -rw-r--r-- | gitlab/issues_text/target_sparc/host_missing/accel_missing/2319 | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/gitlab/issues_text/target_sparc/host_missing/accel_missing/2319 b/gitlab/issues_text/target_sparc/host_missing/accel_missing/2319 deleted file mode 100644 index 0ed686382..000000000 --- a/gitlab/issues_text/target_sparc/host_missing/accel_missing/2319 +++ /dev/null @@ -1,17 +0,0 @@ -SPARC32-bit SDIV of negative divisor gives wrong result -Description of problem: -SDIV of negative divisor gives wrong result because of typo in helper_sdiv(). This is true for QEMU 9.0.0 and earlier. - -Place -1 in the Y register and -128 in another reg, then -120 in another register and do SDIV into a result register, instead of the proper value of 1 for the result, the incorrect value of 0 is produced. - -There is a typo in target/sparc/helper.c that causes the divisor to be consider unsigned, this patch fixes it: - -\*\*\* helper.c.ori Tue Apr 23 16:23:45 2024 --- helper.c Mon Apr 29 20:14:07 2024 - ---- - -\*\*\* 121,127 \*\*\*\* return (uint32_t)(b32 \< 0 ? INT32_MAX : INT32_MIN) | (-1ull \<\< 32); } - -! a64 /= b; r = a64; if (unlikely(r != a64)) { return (uint32_t)(a64 \< 0 ? INT32_MIN : INT32_MAX) | (-1ull \<\< 32); --- 121,127 ---- return (uint32_t)(b32 \< 0 ? INT32_MAX : INT32_MIN) | (-1ull \<\< 32); } - -! a64 /= b32; r = a64; if (unlikely(r != a64)) { return (uint32_t)(a64 \< 0 ? INT32_MIN : INT32_MAX) | (-1ull \<\< 32); |