diff options
Diffstat (limited to 'recipes/gcc/gcc-4.5/gcc-pr43698-arm-rev-instr.patch')
| -rw-r--r-- | recipes/gcc/gcc-4.5/gcc-pr43698-arm-rev-instr.patch | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/recipes/gcc/gcc-4.5/gcc-pr43698-arm-rev-instr.patch b/recipes/gcc/gcc-4.5/gcc-pr43698-arm-rev-instr.patch new file mode 100644 index 0000000000..61c883e1ff --- /dev/null +++ b/recipes/gcc/gcc-4.5/gcc-pr43698-arm-rev-instr.patch @@ -0,0 +1,117 @@ +backport http://gcc.gnu.org/viewcvs?view=revision&revision=162404 +from trunk + +Which fixes http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43698 + +2010-07-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/43698 + * config/arm/arm.md: Split arm_rev into *arm_rev + and *thumb1_rev. Set *arm_rev to be predicable. + +2010-07-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/43698 + * gcc.target/arm/pr43698.c: New test. + + +/scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +Usage: date [OPTION]... [+FORMAT] +Display the current time in the given FORMAT. + + -d, --date=STRING display time described by STRING, not `now' + -f, --file=DATEFILE like --date once for each line of DATEFILE + -R, --rfc-822 output RFC-822 compliant date string + -u, --utc, --universal print or set Coordinated Universal Time + --help display this help and exit +date is /scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +date is /scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +date is /bin/date +date is /scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +date is /scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +date is /bin/date +date is /scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +date is /scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +date is /bin/date +date is /scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +date is /scratch/oe/sysroots/i686-linux/usr/share/quilt/compat/date +date is /bin/date +date +Khem +Index: gcc-4.5/gcc/config/arm/arm.md +=================================================================== +--- gcc-4.5.orig/gcc/config/arm/arm.md 2010-07-20 20:31:25.000000000 -0700 ++++ gcc-4.5/gcc/config/arm/arm.md 2010-07-22 14:55:54.303169081 -0700 +@@ -11197,15 +11197,21 @@ + (set_attr "length" "4")] + ) + +-(define_insn "arm_rev" ++(define_insn "*arm_rev" + [(set (match_operand:SI 0 "s_register_operand" "=r") + (bswap:SI (match_operand:SI 1 "s_register_operand" "r")))] +- "TARGET_EITHER && arm_arch6" +- "rev\t%0, %1" +- [(set (attr "length") +- (if_then_else (eq_attr "is_thumb" "yes") +- (const_int 2) +- (const_int 4)))] ++ "TARGET_32BIT && arm_arch6" ++ "rev%?\t%0, %1" ++ [(set_attr "predicable" "yes") ++ (set_attr "length" "4")] ++) ++ ++(define_insn "*thumb1_rev" ++ [(set (match_operand:SI 0 "s_register_operand" "=l") ++ (bswap:SI (match_operand:SI 1 "s_register_operand" "l")))] ++ "TARGET_THUMB1 && arm_arch6" ++ "rev\t%0, %1" ++ [(set_attr "length" "2")] + ) + + (define_expand "arm_legacy_rev" +Index: gcc-4.5/gcc/testsuite/gcc.target/arm/pr43698.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ gcc-4.5/gcc/testsuite/gcc.target/arm/pr43698.c 2010-07-22 14:56:35.406670213 -0700 +@@ -0,0 +1,39 @@ ++/* { dg-do run } */ ++/* { dg-options "-Os -march=armv7-a" } */ ++#include <stdint.h> ++#include <stdlib.h> ++ ++ ++char do_reverse_endian = 0; ++ ++# define bswap_32(x) \ ++ ((((x) & 0xff000000) >> 24) | \ ++ (((x) & 0x00ff0000) >> 8) | \ ++ (((x) & 0x0000ff00) << 8) | \ ++ (((x) & 0x000000ff) << 24)) ++ ++#define EGET(X) \ ++ (__extension__ ({ \ ++ uint64_t __res; \ ++ if (!do_reverse_endian) { __res = (X); \ ++ } else if (sizeof(X) == 4) { __res = bswap_32((X)); \ ++ } \ ++ __res; \ ++ })) ++ ++void __attribute__((noinline)) X(char **phdr, char **data, int *phoff) ++{ ++ *phdr = *data + EGET(*phoff); ++} ++ ++int main() ++{ ++ char *phdr; ++ char *data = (char *)0x40164000; ++ int phoff = 0x34; ++ X(&phdr, &data, &phoff); ++ if (phdr != (char *)0x40164034) ++ abort (); ++ exit (0); ++} ++ |