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qemu / qemu / b10fa3c906a3d48ee58d64663f9d020ef90d897d
commitb10fa3c906a3d48ee58d64663f9d020ef90d897d[log] [tgz]
authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>Tue Nov 11 11:50:25 2008 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>Tue Nov 11 11:50:25 2008 +0000
tree2a5d30695b82d62b6e8b0d39194e944697fe578c
parent507563e85db880ff875f0a9498a1cf58a50cfad3 [diff]
target-mips: optimize gen_muldiv()

Optimize code generation in gen_muldiv():
- Don't do sign extension when the value is already guaranteed to be
  sign extended (otherwise, results are marked as UNPREDICTABLE).
- Access the LO, HI registers directly instead of writting them through
  a temporary variable.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5681 c046a42c-6fe2-441c-8c8c-71466251a162
1 file changed
tree: 2a5d30695b82d62b6e8b0d39194e944697fe578c
  1. audio/
  2. bsd-user/
  3. darwin-user/
  4. fpu/
  5. gdb-xml/
  6. hw/
  7. keymaps/
  8. linux-user/
  9. pc-bios/
  10. slirp/
  11. target-alpha/
  12. target-arm/
  13. target-cris/
  14. target-i386/
  15. target-m68k/
  16. target-mips/
  17. target-ppc/
  18. target-sh4/
  19. target-sparc/
  20. tcg/
  21. tests/
  22. .gitignore
  23. a.out.h
  24. aes.c
  25. aes.h
  26. aio.c
  27. alpha-dis.c
  28. alpha.ld
  29. arm-dis.c
  30. arm-semi.c
  31. arm.ld
  32. block-bochs.c
  33. block-cloop.c
  34. block-cow.c
  35. block-dmg.c
  36. block-nbd.c
  37. block-parallels.c
  38. block-qcow.c
  39. block-qcow2.c
  40. block-raw-posix.c
  41. block-raw-win32.c
  42. block-vmdk.c
  43. block-vpc.c
  44. block-vvfat.c
  45. block.c
  46. block.h
  47. block_int.h
  48. bswap.h
  49. bt-host.c
  50. bt-vhci.c
  51. buffered_file.c
  52. buffered_file.h
  53. Changelog
  54. check_ops.sh
  55. cocoa.m
  56. configure
  57. console.c
  58. console.h
  59. COPYING
  60. COPYING.LIB
  61. cpu-all.h
  62. cpu-defs.h
  63. cpu-exec.c
  64. cris-dis.c
  65. curses.c
  66. curses_keys.h
  67. cutils.c
  68. d3des.c
  69. d3des.h
  70. dis-asm.h
  71. disas.c
  72. disas.h
  73. dyngen-exec.h
  74. dyngen.c
  75. elf.h
  76. elf_ops.h
  77. exec-all.h
  78. exec.c
  79. feature_to_c.sh
  80. gdbstub.c
  81. gdbstub.h
  82. gen-icount.h
  83. host-utils.c
  84. host-utils.h
  85. hostregs_helper.h
  86. hpet.h
  87. hppa-dis.c
  88. hppa.ld
  89. i386-dis.c
  90. i386.ld
  91. ia64.ld
  92. keymaps.c
  93. kqemu.c
  94. kqemu.h
  95. kvm-all.c
  96. kvm.h
  97. LICENSE
  98. loader.c
  99. m68k-dis.c
  100. m68k-semi.c
  101. m68k.ld
  102. MAINTAINERS
  103. Makefile
  104. Makefile.target
  105. migration-tcp.c
  106. migration.c
  107. migration.h
  108. mips-dis.c
  109. mips.ld
  110. mipsel.ld
  111. monitor.c
  112. nbd.c
  113. nbd.h
  114. net-checksum.c
  115. net.c
  116. net.h
  117. osdep.c
  118. osdep.h
  119. ppc-dis.c
  120. ppc.ld
  121. ppc64.ld
  122. qemu-aio.h
  123. qemu-binfmt-conf.sh
  124. qemu-char.c
  125. qemu-char.h
  126. qemu-common.h
  127. qemu-doc.texi
  128. qemu-img.c
  129. qemu-img.texi
  130. qemu-lock.h
  131. qemu-log.h
  132. qemu-malloc.c
  133. qemu-nbd.c
  134. qemu-nbd.texi
  135. qemu-tech.texi
  136. qemu-timer.h
  137. qemu-tool.c
  138. qemu_socket.h
  139. readline.c
  140. README
  141. s390-dis.c
  142. s390.ld
  143. sdl.c
  144. sdl_keysym.h
  145. sh4-dis.c
  146. softmmu-semi.h
  147. softmmu_defs.h
  148. softmmu_exec.h
  149. softmmu_header.h
  150. softmmu_template.h
  151. sparc-dis.c
  152. sparc.ld
  153. sparc64.ld
  154. sys-queue.h
  155. sysemu.h
  156. tap-win32.c
  157. texi2pod.pl
  158. thunk.c
  159. thunk.h
  160. TODO
  161. translate-all.c
  162. uboot_image.h
  163. usb-linux.c
  164. VERSION
  165. vgafont.h
  166. vl.c
  167. vnc.c
  168. vnc_keysym.h
  169. vnchextile.h
  170. x86_64.ld
  171. x_keymap.c