Sparc: fix carry flag handling (Solaris bootblk fix)

The page 108 of the SPARC Version 8 Architecture Manual describes
that addcc and addxcc shall compute carry flag the same way.
The page 110 claims the same about subcc and subxcc instructions.
This patch fixes carry computation in corner cases and removes redundant code.
The most visible effect of the patch is enabling Solaris boot when using OBP.

Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
[blauwirbel@gmail.com: cleaned up formatting]
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
1 file changed
tree: 0bfb80cad7b80cb90f1cf387c569b469e49f3f70
  1. audio/
  2. block/
  3. bsd-user/
  4. darwin-user/
  5. default-configs/
  6. fpu/
  7. gdb-xml/
  8. hw/
  9. linux-user/
  10. net/
  11. pc-bios/
  12. roms/
  13. slirp/
  14. target-alpha/
  15. target-arm/
  16. target-cris/
  17. target-i386/
  18. target-m68k/
  19. target-microblaze/
  20. target-mips/
  21. target-ppc/
  22. target-sh4/
  23. target-sparc/
  24. tcg/
  25. tests/
  26. .gitignore
  27. .gitmodules
  28. a.out.h
  29. acl.c
  30. acl.h
  31. aes.c
  32. aes.h
  33. aio.c
  34. alpha-dis.c
  35. alpha.ld
  36. arm-dis.c
  37. arm-semi.c
  38. arm.ld
  39. async.c
  40. balloon.h
  41. block.c
  42. block.h
  43. block_int.h
  44. bswap.h
  45. bt-host.c
  46. bt-host.h
  47. bt-vhci.c
  48. buffered_file.c
  49. buffered_file.h
  50. cache-utils.c
  51. cache-utils.h
  52. Changelog
  53. check-qdict.c
  54. check-qint.c
  55. check-qlist.c
  56. check-qstring.c
  57. cmd.c
  58. cmd.h
  59. cocoa.m
  60. CODING_STYLE
  61. config.h
  62. configure
  63. console.c
  64. console.h
  65. COPYING
  66. COPYING.LIB
  67. cpu-all.h
  68. cpu-common.h
  69. cpu-defs.h
  70. cpu-exec.c
  71. create_config
  72. cris-dis.c
  73. curses.c
  74. curses_keys.h
  75. cutils.c
  76. d3des.c
  77. d3des.h
  78. def-helper.h
  79. device_tree.c
  80. device_tree.h
  81. dis-asm.h
  82. disas.c
  83. disas.h
  84. dma-helpers.c
  85. dma.h
  86. dyngen-exec.h
  87. elf.h
  88. envlist.c
  89. envlist.h
  90. exec-all.h
  91. exec.c
  92. feature_to_c.sh
  93. gdbstub.c
  94. gdbstub.h
  95. gen-icount.h
  96. host-utils.c
  97. host-utils.h
  98. hostregs_helper.h
  99. hpet.h
  100. hppa-dis.c
  101. hppa.ld
  102. hxtool
  103. i386-dis.c
  104. i386.ld
  105. ia64.ld
  106. ioport-user.c
  107. ioport.c
  108. ioport.h
  109. keymaps.c
  110. keymaps.h
  111. kvm-all.c
  112. kvm.h
  113. libfdt_env.h
  114. LICENSE
  115. linux-aio.c
  116. m68k-dis.c
  117. m68k-semi.c
  118. m68k.ld
  119. MAINTAINERS
  120. Makefile
  121. Makefile.hw
  122. Makefile.target
  123. Makefile.user
  124. microblaze-dis.c
  125. migration-exec.c
  126. migration-fd.c
  127. migration-tcp.c
  128. migration-unix.c
  129. migration.c
  130. migration.h
  131. mips-dis.c
  132. mips.ld
  133. module.c
  134. module.h
  135. monitor.c
  136. monitor.h
  137. nbd.c
  138. nbd.h
  139. net-checksum.c
  140. net.c
  141. net.h
  142. osdep.c
  143. osdep.h
  144. path.c
  145. pci-ids.txt
  146. posix-aio-compat.c
  147. ppc-dis.c
  148. ppc.ld
  149. ppc64.ld
  150. qdict-test-data.txt
  151. qdict.c
  152. qdict.h
  153. qemu-aio.h
  154. qemu-binfmt-conf.sh
  155. qemu-char.c
  156. qemu-char.h
  157. qemu-common.h
  158. qemu-config.c
  159. qemu-config.h
  160. qemu-doc.texi
  161. qemu-img-cmds.hx
  162. qemu-img.c
  163. qemu-img.texi
  164. qemu-io.c
  165. qemu-lock.h
  166. qemu-log.h
  167. qemu-malloc.c
  168. qemu-monitor.hx
  169. qemu-nbd.c
  170. qemu-nbd.texi
  171. qemu-option.c
  172. qemu-option.h
  173. qemu-options.hx
  174. qemu-queue.h
  175. qemu-sockets.c
  176. qemu-tech.texi
  177. qemu-thread.c
  178. qemu-thread.h
  179. qemu-timer.h
  180. qemu-tool.c
  181. qemu.sasl
  182. qemu_socket.h
  183. qint.c
  184. qint.h
  185. qlist.c
  186. qlist.h
  187. qobject.h
  188. qstring.c
  189. qstring.h
  190. readline.c
  191. readline.h
  192. README
  193. rules.mak
  194. s390-dis.c
  195. s390.ld
  196. savevm.c
  197. sdl.c
  198. sdl_keysym.h
  199. sdl_zoom.c
  200. sdl_zoom.h
  201. sdl_zoom_template.h
  202. sh4-dis.c
  203. softmmu-semi.h
  204. softmmu_defs.h
  205. softmmu_exec.h
  206. softmmu_header.h
  207. softmmu_template.h
  208. sparc-dis.c
  209. sparc.ld
  210. sparc64.ld
  211. sysemu.h
  212. targphys.h
  213. tcg-runtime.c
  214. texi2pod.pl
  215. thunk.c
  216. thunk.h
  217. TODO
  218. translate-all.c
  219. uboot_image.h
  220. usb-bsd.c
  221. usb-linux.c
  222. usb-stub.c
  223. VERSION
  224. vgafont.h
  225. vl.c
  226. vnc-auth-sasl.c
  227. vnc-auth-sasl.h
  228. vnc-auth-vencrypt.c
  229. vnc-auth-vencrypt.h
  230. vnc-tls.c
  231. vnc-tls.h
  232. vnc.c
  233. vnc.h
  234. vnc_keysym.h
  235. vnchextile.h
  236. x86_64.ld
  237. x_keymap.c
  238. x_keymap.h