espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-06-27 14:39:09 +08:00
Code Issues Packages Projects Releases Wiki Activity

* config/tc-mips.c (load_register): Correctly handle 32 bit values

Browse Source 
with the high bit set in 64 bit mode.
PR 6381.
This commit is contained in:
Ian Lance Taylor
1995-02-24 19:42:43 +00:00
parent 82fc343234
commit 7811254cb0
2 changed files with 25 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
Fri Feb 24 14:41:15 1995 Ian Lance Taylor <ian@cygnus.com>
* config/tc-mips.c (load_register): Correctly handle 32 bit values
with the high bit set in 64 bit mode.
Wed Feb 22 23:10:56 1995 Jeff Law (law@snake.cs.utah.edu) Wed Feb 22 23:10:56 1995 Jeff Law (law@snake.cs.utah.edu)
* config/tc-hppa.c (md_apply_fix): Don't subtract the value of the * config/tc-hppa.c (md_apply_fix): Don't subtract the value of the

20
gas/config/tc-mips.c
View File

@ -1634,7 +1634,7 @@ load_register (counter, reg, ep)
expressionS *ep; expressionS *ep;
{ {
int shift; int shift;
expressionS hi32, lo32; expressionS hi32, lo32, tmp;
if (ep->X_op != O_big) if (ep->X_op != O_big)
{ {
@ -1656,9 +1656,12 @@ load_register (counter, reg, ep)
(int) BFD_RELOC_LO16); (int) BFD_RELOC_LO16);
return; return;
} }
else if ((ep->X_add_number &~ (offsetT) 0x7fffffff) == 0 else if (((ep->X_add_number &~ (offsetT) 0x7fffffff) == 0
|| ((ep->X_add_number &~ (offsetT) 0x7fffffff) || ((ep->X_add_number &~ (offsetT) 0x7fffffff)
== ~ (offsetT) 0x7fffffff)) == ~ (offsetT) 0x7fffffff))
&& (mips_isa < 3
|| sizeof (ep->X_add_number) > 4
|| (ep->X_add_number & 0x80000000) == 0))
{ {
/* 32 bit values require an lui. */ /* 32 bit values require an lui. */
macro_build ((char *) NULL, counter, ep, "lui", "t,u", reg, macro_build ((char *) NULL, counter, ep, "lui", "t,u", reg,
@ -1668,6 +1671,19 @@ load_register (counter, reg, ep)
(int) BFD_RELOC_LO16); (int) BFD_RELOC_LO16);
return; return;
} }
else
{
/* 32 bit value with high bit set being loaded into a 64 bit
register. We can't use lui, because that would
incorrectly set the 32 high bits. */
generic_bignum[3] = 0;
generic_bignum[2] = 0;
generic_bignum[1] = (ep->X_add_number >> 16) & 0xffff;
generic_bignum[0] = ep->X_add_number & 0xffff;
tmp.X_op = O_big;
tmp.X_add_number = 4;
ep = &tmp;
}
} }
/* The value is larger than 32 bits. */ /* The value is larger than 32 bits. */