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| author | Julian Brown <julian@codesourcery.com> | 2011-06-08 11:19:08 +0000 |
|---|---|---|
| committer | Julian Brown <jules@gcc.gnu.org> | 2011-06-08 11:19:08 +0000 |
| commit | b1def36c41f48e3f4de7b3890d635ee083e98abe (patch) | |
| tree | df7cd2510dce64cde52d6314e894a7835b6762c8 /gcc | |
| parent | 76aa78e9eb7ade737abc19cbea1bcd690170b039 (diff) | |
| download | gcc-b1def36c41f48e3f4de7b3890d635ee083e98abe.zip gcc-b1def36c41f48e3f4de7b3890d635ee083e98abe.tar.gz gcc-b1def36c41f48e3f4de7b3890d635ee083e98abe.tar.bz2 | |
arm.c (arm_libcall_uses_aapcs_base): Use correct ABI for double-precision helper functions in hard-float mode if...
* config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
for double-precision helper functions in hard-float mode if only
single-precision arithmetic is supported in hardware.
From-SVN: r174803
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 22 |
2 files changed, 28 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 294e5d7..7ee6821 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-06-08 Julian Brown <julian@codesourcery.com> + + * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI + for double-precision helper functions in hard-float mode if only + single-precision arithmetic is supported in hardware. + 2011-06-08 Alexander Monakov <amonakov@ispras.ru> PR rtl-optimization/49303 diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 1037d9d..61a315e 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -3345,6 +3345,28 @@ arm_libcall_uses_aapcs_base (const_rtx libcall) convert_optab_libfunc (sfix_optab, DImode, SFmode)); add_libcall (libcall_htab, convert_optab_libfunc (ufix_optab, DImode, SFmode)); + + /* Values from double-precision helper functions are returned in core + registers if the selected core only supports single-precision + arithmetic, even if we are using the hard-float ABI. The same is + true for single-precision helpers, but we will never be using the + hard-float ABI on a CPU which doesn't support single-precision + operations in hardware. */ + add_libcall (libcall_htab, optab_libfunc (add_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (sdiv_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (smul_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (neg_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (sub_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (eq_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (lt_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (le_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (ge_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (gt_optab, DFmode)); + add_libcall (libcall_htab, optab_libfunc (unord_optab, DFmode)); + add_libcall (libcall_htab, convert_optab_libfunc (sext_optab, DFmode, + SFmode)); + add_libcall (libcall_htab, convert_optab_libfunc (trunc_optab, SFmode, + DFmode)); } return libcall && htab_find (libcall_htab, libcall) != NULL; |