FreeChainXenon/binutils-gdb
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

gas: Fix left shift of negative value.

Browse source 
This patch fixes all occurences of left-shifting negative constants in C cod
which is undefined by the C standard.

gas/ChangeLog:

        * read.c (parse_bitfield_cons): Fix left shift of negative value.
        * config/tc-xstormy16.c (md_section_align): Likewise.
        * config/tc-xgate.c (md_section_align): Likewise.
        * config/tc-visium.c (md_section_align): Likewise.
        * config/tc-v850.c (md_section_align): Likewise.
        * config/tc-tic6x.c (md_section_align): Likewise.
        * config/tc-sh.c (SH64PCREL32_M, SH64PCREL48_M, SH64PCREL32_M)
        (MOVI_32_M, MOVI_48_M, MOVI_32_M, md_section_align): Likewise.
        * config/tc-sh64.c (shmedia_md_estimate_size_before_relax): Likewise.
        * config/tc-score.c (s3_section_align): Likewise.
        * config/tc-score7.c (s7_section_align): Likewise.
        * config/tc-s390.c (md_section_align): Likewise.
        * config/tc-rx.c (md_section_align): Likewise.
        * config/tc-rl78.c (md_section_align): Likewise.
        * config/tc-ppc.c (md_section_align): Likewise.
        * config/tc-or1k.c (md_section_align): Likewise.
        * config/tc-nds32.c (md_section_align): Likewise.
        * config/tc-mt.c (md_section_align): Likewise.
        * config/tc-msp430.c (md_section_align): Likewise.
        * config/tc-mn10300.c (md_section_align): Likewise.
        * config/tc-mn10200.c (md_section_align): Likewise.
        * config/tc-mips.c (md_section_align): Likewise.
        * config/tc-microblaze.c (parse_imm): Likewise.
        * config/tc-mep.c (md_section_align): Likewise.
        * config/tc-m68k.c (md_section_align): Likewise.
        * config/tc-m68hc11.c (md_section_align): Likewise.
        * config/tc-m32r.c (md_section_align): Likewise.
        * config/tc-m32c.c (md_section_align): Likewise.
        * config/tc-lm32.c (md_section_align): Likewise.
        * config/tc-iq2000.c (md_section_align): Likewise.
        * config/tc-ip2k.c (md_section_align): Likewise.
        * config/tc-ia64.c (dot_save, dot_vframe): Likewise.
        * config/tc-i960.c (md_number_to_field, md_section_align): Likewise.
        * config/tc-i386.c (md_section_align): Likewise.
        * config/tc-i370.c (md_section_align): Likewise.
        * config/tc-frv.c (md_section_align): Likewise.
        * config/tc-fr30.c (md_section_align): Likewise.
        * config/tc-epiphany.c (md_section_align): Likewise.
        * config/tc-d30v.c (md_section_align): Likewise.
        * config/tc-d10v.c (md_section_align): Likewise.
        * config/tc-cr16.c (l_cons): Likewise.
        * config/tc-bfin.c (md_section_align): Likewise.
        * config/tc-arm.c (md_section_align): Likewise.
        * config/tc-arc.c (md_section_align): Likewise.
        * config/bfin-parse.y (expr_1): Likewise.

gas/testsuite/ChangeLog:

        * gas/all/test-gen.c (random_order_16s, random_order_24s)
        (random_order_32s): Fix left shift of negative value.
This commit is contained in:
Dominik Vogt 2015-11-09 17:12:57 +01:00 • committed by Andreas Krebbel
parent c4e0beacd7
commit 8d3842cd15
48 changed files with 118 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

2
gas/read.c
View file

@ -4602,7 +4602,7 @@ parse_bitfield_cons (exp, nbytes)
return;
} /* Too complex. */
value |= ((~(-1 << width) & exp->X_add_number)
value |= ((~(-(1 << width)) & exp->X_add_number)
<< ((BITS_PER_CHAR * nbytes) - bits_available));
if ((bits_available -= width) == 0