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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-07-13 10:18:39 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-07-13 10:32:15 -0700 |
| commit | 7a705315596cf5effe01de8c3ac2535687c5663d (patch) | |
| tree | e9ccee47ad781005714d1f1a444380d47a2d4be6 | |
| parent | f413dd7439e295849018caa01efa8d783e43f532 (diff) | |
| download | gdb-7a705315596cf5effe01de8c3ac2535687c5663d.zip gdb-7a705315596cf5effe01de8c3ac2535687c5663d.tar.gz gdb-7a705315596cf5effe01de8c3ac2535687c5663d.tar.bz2 | |
x86: Remove 32-bit sign extension in offset_in_range
When encoding a 32-bit offset, there is no need to sign-extend it to 64
bits since only the lower 32 bits are used.
* config/tc-i386.c (offset_in_range): Remove 32-bit sign
extension.
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 8 |
2 files changed, 5 insertions, 8 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 01862e0..aa49a90 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,8 @@ +2020-07-13 H.J. Lu <hongjiu.lu@intel.com> + + * config/tc-i386.c (offset_in_range): Remove 32-bit sign + extension. + 2020-07-13 Nick Clifton <nickc@redhat.com> * po/fr.po: Updated French translation. diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 18f685c..192c5e1 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -2539,14 +2539,6 @@ offset_in_range (offsetT val, int size) default: abort (); } -#ifdef BFD64 - /* If BFD64, sign extend val for 32bit address mode. */ - if (flag_code != CODE_64BIT - || i.prefix[ADDR_PREFIX]) - if ((val & ~(((addressT) 2 << 31) - 1)) == 0) - val = (val ^ ((addressT) 1 << 31)) - ((addressT) 1 << 31); -#endif - if ((val & ~mask) != 0 && (val & ~mask) != ~mask) { char buf1[40], buf2[40]; |