From: Kalamatee Date: Wed, 23 May 2018 22:29:01 +0000 (+0000) Subject: lb1sf68.S (Laddsf$nf): Fix sign bit handling in path to Lf$finfty. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=54fd159056765b65191e7685673133f34786b76c;p=gcc.git lb1sf68.S (Laddsf$nf): Fix sign bit handling in path to Lf$finfty. 2018-05-23 Kalamatee * config/m68k/lb1sf68.S (Laddsf$nf): Fix sign bit handling in path to Lf$finfty. From-SVN: r260626 --- diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index e8886cfda77..1b24190cf30 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2018-05-23 Kalamatee + + * config/m68k/lb1sf68.S (Laddsf$nf): Fix sign bit handling in + path to Lf$finfty. + 2018-05-18 Kito Cheng Monk Chiang Jim Wilson diff --git a/libgcc/config/m68k/lb1sf68.S b/libgcc/config/m68k/lb1sf68.S index 1d9392a4ef7..325a7c17d9b 100644 --- a/libgcc/config/m68k/lb1sf68.S +++ b/libgcc/config/m68k/lb1sf68.S @@ -3111,6 +3111,8 @@ Laddsf$nf: movel a6@(12),d1 | did some processing already) movel IMM (INFINITY),d4 | useful constant (INFINITY) movel d0,d2 | save sign bits + movel d0,d7 | into d7 as well as we may need the sign + | bit before jumping to LfSinfty movel d1,d3 bclr IMM (31),d0 | clear sign bits bclr IMM (31),d1 @@ -3125,7 +3127,6 @@ Laddsf$nf: | are adding or subtracting them. eorl d3,d2 | to check sign bits bmi 1f - movel d0,d7 andl IMM (0x80000000),d7 | get (common) sign bit bra Lf$infty 1: @@ -3135,7 +3136,6 @@ Laddsf$nf: cmpl d1,d0 | are both infinite? beq Lf$inop | if so return NaN - movel d0,d7 andl IMM (0x80000000),d7 | get a's sign bit ' cmpl d4,d0 | test now for infinity beq Lf$infty | if a is INFINITY return with this sign