[Bug tree-optimization/110311] [14 Regression] regression in tree-optimizer

[anlauf at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110311

--- Comment #37 from anlauf at gcc dot gnu.org ---
After the FPE:

(gdb) info float
  R7: Valid   0x401be51fb57800000000 +480507567                 
  R6: Valid   0x401be51fb57800000000 +480507567                 
  R5: Zero    0x00000000000000000000 +0                         
  R4: Zero    0x00000000000000000000 +0                         
  R3: Zero    0x00000000000000000000 +0                         
  R2: Zero    0x00000000000000000000 +0                         
  R1: Zero    0x00000000000000000000 +0                         
=>R0: Special 0xffff0000000004f5dc90 Unsupported

Status Word:         0x82c1   IE                  ES   SF      C1      
                       TOP: 0
Control Word:        0x0372      DM       UM PM
                       PC: Extended Precision (64-bits)
                       RC: Round to nearest
Tag Word:            0x0556
Instruction Pointer: 0x00:0x004031d2
Operand Pointer:     0x00:0x011b5708
Opcode:              0xdd45