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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
commitdee4dcba78baf712cab403d47d9db319ab7f95d6 (patch)
tree418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/118/none/2802
parent4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff)
downloademulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz
emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip
restructure results
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@@ -1,56 +0,0 @@
-device: 0.799
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-ppc: 0.725
-architecture: 0.712
-assembly: 0.702
-performance: 0.663
-network: 0.623
-vnc: 0.598
-kernel: 0.591
-PID: 0.530
-arm: 0.522
-socket: 0.510
-risc-v: 0.477
-x86: 0.465
-files: 0.464
-TCG: 0.453
-semantic: 0.449
-peripherals: 0.448
-i386: 0.440
-hypervisor: 0.430
-permissions: 0.428
-graphic: 0.427
-boot: 0.402
-debug: 0.387
-VMM: 0.382
-virtual: 0.267
-KVM: 0.247
-mistranslation: 0.236
-user-level: 0.223
-
-Sparc: fdtox/fqtox instructions incorrectly select destination register
-Description of problem:
-This bug report is mostly for informational purposes as I will be posting a fix for the bug.
-
-The `fdtox` and `fqtox` instructions incorrectly select the destination register when the destination register is higher than `f31`.
-Steps to reproduce:
-1. Install Sparc cross compiler `gcc-12-sparc64-linux-gnu`(in Debian)
-2. Compile the test program using `sparc64-linux-gnu-gcc-12 -m64 -o test_program -static test_program.c`
-3. Run the test program using `qemu-sparc64-static ./test_program`
-4. Expected output is 60. Prints 0 instead.
-Additional information:
-Test program to test the issue:
-
-```c
-#include <stdio.h>
-
-int main(int argc, char** argv) {
- long long truncated = 0;
- __asm__("fdtox %0,%%f32\n\t" :: "f"(60.0));
- __asm__("fmovd %%f32,%0\n\t" : "=f"(truncated));
- printf("%lld\n", truncated);
- return 0;
-}
-```
-
-The issue is caused by the commit 0bba7572d4. Where certain changes were made in the way destination registers are selected(moving the DFPREG/QFPREG to decodetree).