Re: target/9150: [3.4 regression] ICE in recog.c:2177 using -march=pentium3 and -fPIC

[Andrew Pollard <Andrew.Pollard@brooks-pri.com>]

The following reply was made to PR target/9150; it has been noted by GNATS.

From: Andrew Pollard <Andrew.Pollard@brooks-pri.com>
To: andrew@andypo.net,  gcc-gnats@gcc.gnu.org,  gcc-prs@gcc.gnu.org, 
 gcc-bugs@gcc.gnu.org,  gcc@gcc.gnu.org
Cc:  
Subject: Re: target/9150: [3.4 regression] ICE in recog.c:2177 using -march=pentium3
 and -fPIC
Date: Wed, 15 Jan 2003 19:54:48 +0000

 Hi All,
 
   It looks like the fix for bootstrap/9036 also fixes target/9150
 
 ice.c:
 ---------------
 float
 foo(float bar)
 {
      return (((bar) < 0.0f) ? -bar : bar);
 }
 ----------------
 
 % /usr/local/gcc-3.4-20030108-i686-pc-linux-gnu/bin/gcc -c ice.c -msse2 -fpic
 ice.c: In function `foo':
 ice.c:5: error: unrecognizable insn:
 (insn 18 33 19 2 (nil) (set (reg:V4SF 63)
          (mem/u/f:V4SF (symbol_ref/u:SI ("*.LC1")) [0 S16 A128])) -1 (nil)
      (expr_list:REG_EQUAL (const_vector:V4SF [
                  (const_double:SF 0 [0x0] -0.0 [-0x0.0p+0])
                  (const_double:SF 0 [0x0] 0.0 [0x0.0p+0])
                  (const_double:SF 0 [0x0] 0.0 [0x0.0p+0])
                  (const_double:SF 0 [0x0] 0.0 [0x0.0p+0])
              ])
          (nil)))
 ice.c:5: internal compiler error: in extract_insn, at recog.c:2177
 Please submit a full bug report,
 with preprocessed source if appropriate.
 See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
 
 % gcc34 -v
 Reading specs from 
 /usr/local/gcc-3.4-20030115-i686-pc-linux-gnu/lib/gcc-lib/i686-pc-linux-gnu/3.4/specs
 Configured with: /usr/local/src/cvs/gcc/configure 
 --prefix=/usr/local/gcc-3.4-20030115-i686-pc-linux-gnu --with-gnu-as 
 --with-as=/usr/local/binutils-2.13.90.0.16-i686-pc-linux-gnu/bin/as 
 --with-gnu-ld 
 -with-ld=/usr/local/binutils-2.13.90.0.16-i686-pc-linux-gnu/bin/ld 
 --enable-threads=posix --with-dwarf2 --disable-shared --enable-languages=c++ 
 --enable-__cxa_atexit
 Thread model: posix
 gcc version 3.4 20030115 (experimental)
 
 % gcc34 -c ice.c -msse2 -fpic
 %
 
 Andrew.