1 files changed, 60 insertions, 0 deletions
diff --git a/results/classifier/phi4:14b/output/manual-review/1095531 b/results/classifier/phi4:14b/output/manual-review/1095531
new file mode 100644
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+++ b/results/classifier/phi4:14b/output/manual-review/1095531
@@ -0,0 +1,60 @@
+
+
+
+sparc32plus (and others?) has x86 code generation errors on 64bit hosts
+
+On 64bit hosts, the load and store functions compile improperly. The issue is the call to gen_address_mask() under the ld and st functions in target-sparc/translate.c. Below are some snips from the log file. Doing a gdb debug, this results in constant access violation errors which I do not see when debugging qemu in powerpc mode.
+
+--------------
+IN: 
+0x0000000040804aa8:  st  %i0, [ %fp + 0x44 ]
+
+OP:
+ ---- 0x40804aa8
+ ld_i64 tmp1,regwptr,$0xb0
+ mov_i64 tmp0,tmp1
+ movi_i64 tmp2,$0x44
+ add_i64 tmp0,tmp0,tmp2
+ ld_i64 tmp2,regwptr,$0x80
+ ext32u_i64 tmp0,tmp0
+ qemu_st32 tmp2,tmp0,$0x0
+
+OUT: [size=345]
+0x6032d7f0:  mov    0x40(%r14),%rbp
+0x6032d7f4:  mov    0xb0(%rbp),%rbx
+0x6032d7fb:  add    $0x44,%rbx
+0x6032d7ff:  mov    0x80(%rbp),%rbp
+0x6032d806:  mov    %ebx,%ebx                 <- bug
+0x6032d808:  mov    %ebp,%edi
+0x6032d80a:  bswap  %edi
+0x6032d80c:  mov    %edi,(%rbx)
+
+--------------
+IN: 
+0x0000000040804aec:  add  %l7, %o7, %l7
+0x0000000040804af0:  ld  [ %l7 ], %g2
+
+OP:
+ ---- 0x40804aec
+ ld_i64 tmp1,regwptr,$0x78
+ ld_i64 tmp2,regwptr,$0x38
+ add_i64 tmp0,tmp1,tmp2
+ st_i64 tmp0,regwptr,$0x78
+
+ ---- 0x40804af0
+ ld_i64 tmp1,regwptr,$0x78
+ mov_i64 tmp0,tmp1
+ ext32u_i64 tmp0,tmp0
+ qemu_ld32u g2,tmp0,$0x0
+
+OUT: [size=395]
+0x6032da80:  mov    0x40(%r14),%rbp
+0x6032da84:  mov    0x78(%rbp),%rbx
+0x6032da88:  mov    0x38(%rbp),%r12
+0x6032da8c:  add    %r12,%rbx
+0x6032da8f:  mov    %rbx,0x78(%rbp)
+0x6032da93:  mov    0x78(%rbp),%rbx
+0x6032da97:  mov    %ebx,%ebx                <- bug
+0x6032da99:  mov    (%rbx),%ebx
+
+In 64bit mode, doing a 32bit operation will result in the top 32bit's being zero'd. I attempted to simply disable the call to gen_address_mask() but that did not fix the issue and actually caused the sparc32plus I was testing to become unusable.
+\ No newline at end of file