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| author | Sandra Loosemore <sandra@codesourcery.com> | 2009-05-15 10:20:55 -0400 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2009-05-15 10:20:55 -0400 |
| commit | 1bd74ad9803518db3978dade5031dab2a481cc3a (patch) | |
| tree | a4e17d6e5cc9b040396bbab73e36efd218a6a7be | |
| parent | dc34db56f182d392612a054dcd43497b79b31449 (diff) | |
| download | gcc-1bd74ad9803518db3978dade5031dab2a481cc3a.zip gcc-1bd74ad9803518db3978dade5031dab2a481cc3a.tar.gz gcc-1bd74ad9803518db3978dade5031dab2a481cc3a.tar.bz2 | |
optabs.c (prepare_float_lib_cmp): Test that the comparison...
2009-05-15 Sandra Loosemore <sandra@codesourcery.com>
gcc/
* optabs.c (prepare_float_lib_cmp): Test that the comparison,
swapped, and reversed optabs exist before trying to use them.
From-SVN: r147578
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/optabs.c | 9 |
2 files changed, 11 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b96b06b..d036aa9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,7 +1,11 @@ +2009-05-15 Sandra Loosemore <sandra@codesourcery.com> + + * optabs.c (prepare_float_lib_cmp): Test that the comparison, + swapped, and reversed optabs exist before trying to use them. + 2009-05-15 Paul Brook <paul@codesourcery.com> Sandra Loosemore <sandra@codesourcery.com> - gcc/ * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure loads. Allow PRE_DEC. (output_move_neon): Handle PRE_DEC. diff --git a/gcc/optabs.c b/gcc/optabs.c index 9c8cb86..3a13ead 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -4322,10 +4322,12 @@ prepare_float_lib_cmp (rtx x, rtx y, enum rtx_code comparison, mode != VOIDmode; mode = GET_MODE_WIDER_MODE (mode)) { - if ((libfunc = optab_libfunc (code_to_optab[comparison], mode))) + if (code_to_optab[comparison] + && (libfunc = optab_libfunc (code_to_optab[comparison], mode))) break; - if ((libfunc = optab_libfunc (code_to_optab[swapped] , mode))) + if (code_to_optab[swapped] + && (libfunc = optab_libfunc (code_to_optab[swapped], mode))) { rtx tmp; tmp = x; x = y; y = tmp; @@ -4333,7 +4335,8 @@ prepare_float_lib_cmp (rtx x, rtx y, enum rtx_code comparison, break; } - if ((libfunc = optab_libfunc (code_to_optab[reversed], mode)) + if (code_to_optab[reversed] + && (libfunc = optab_libfunc (code_to_optab[reversed], mode)) && FLOAT_LIB_COMPARE_RETURNS_BOOL (mode, reversed)) { comparison = reversed; |