diff options
Diffstat (limited to 'toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99488.patch')
| -rw-r--r-- | toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99488.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99488.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99488.patch new file mode 100644 index 0000000000..2f41a0a73c --- /dev/null +++ b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99488.patch @@ -0,0 +1,22 @@ +2011-03-03 Richard Sandiford <richard.sandiford@linaro.org> + + gcc/ + * ee.c (reg_use_p): Handle subregs of promoted vars. + +=== modified file 'gcc/ee.c' +--- old/gcc/ee.c 2010-12-10 15:33:37 +0000 ++++ new/gcc/ee.c 2011-03-03 17:08:58 +0000 +@@ -209,7 +209,11 @@ + + *regno = REGNO (reg); + +- if (paradoxical_subreg_p (use)) ++ /* Non-paradoxical SUBREGs of promoted vars guarantee that the ++ upper (elided) bits of the inner register have a particular value. ++ For our purposes, such SUBREGs act as a full reference to the ++ inner register. */ ++ if (paradoxical_subreg_p (use) || SUBREG_PROMOTED_VAR_P (use)) + *size = GET_MODE_BITSIZE (GET_MODE (reg)); + else + *size = subreg_lsb (use) + GET_MODE_BITSIZE (GET_MODE (use)); + |