diff options
Diffstat (limited to 'results/classifier/zero-shot-user-mode/output/instruction/2319')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/output/instruction/2319 | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/results/classifier/zero-shot-user-mode/output/instruction/2319 b/results/classifier/zero-shot-user-mode/output/instruction/2319 deleted file mode 100644 index 5dde2435..00000000 --- a/results/classifier/zero-shot-user-mode/output/instruction/2319 +++ /dev/null @@ -1,23 +0,0 @@ -instruction: 0.509 -runtime: 0.259 -syscall: 0.232 - - - -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); |