[Bug target/22553] [4.6/4.7/4.8 regression] ICE building libstdc++

[kkojima at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22553

--- Comment #23 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2012-07-19 02:36:19 UTC ---
(In reply to comment #22)
> Kaz, if you have some time, could you do something like that
> http://gcc.gnu.org/ml/gcc-patches/2005-09/msg01539.html
> again (if possible with mpeg2dec) with GCC 4.8?

Here is:

(CSiBE with -O2)
test name            sched1     no-sched1     sched1/no-sched1

bzip2-1.0.2 bzip2.d        11.06     10.8067     1.02344
bzip2-1.0.2 bzip2recover    4.54333     4.66333     0.974267
bzip2-1.0.2 bzip2.c        42.8567     44.2067     0.969462
compiler vam.fib        2.00333     1.97         1.01692
compiler vam.fact        1.87333     1.88333     0.99469
compiler vam.test2        0.246667 0.25         0.986667
flex-2.5.31 flex        13.1133     13.25         0.989686
jikespg-1.3 src/jikespg        1.62     1.59333     1.01674
jpeg-6b jpegtran2        4.62667     4.74667     0.974719
jpeg-6b djpeg2            2.19333     2.28667     0.960641
jpeg-6b djpeg1            2.2     2.26667     0.970588
jpeg-6b cjpeg2            3.19333     3.05333     1.04585
jpeg-6b djpeg0            0.33     0.33         1
jpeg-6b cjpeg0            0.496667 0.496667     1
jpeg-6b cjpeg1            3.18     3.11667     1.02032
jpeg-6b jpegtran0        0.256667 0.256667     1
jpeg-6b jpegtran1        1.98667     2.00667     0.990033
libpng-1.2.5 png2pnm0        0.973333 0.97         1.00344
libpng-1.2.5 pnm2png1        44.63     44.6933     0.998583
libpng-1.2.5 pnm2png0        7.94667     7.95         0.999581
libpng-1.2.5 png2pnm1        6.71667     6.71         1.00099
teem-1.6.0-src src/hex/dehex0    1.66     1.68         0.988095
teem-1.6.0-src src/hex/dehex1    10.8967     10.92         0.997863
teem-1.6.0-src src/hex/enhex1    40.5033     41.2133     0.982773
teem-1.6.0-src src/hex/enhex0    6.76333     6.86667     0.984951
zlib-1.1.4 minigzip0        44.73     45.0633     0.992603
zlib-1.1.4 minigzip        5.41333     5.41333     1

(not CSiBE test with -O3. 201 frames decoded)
mpeg2dec-0.3.1            2.18     2.22         0.981981