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| author | Diego Novillo <dnovillo@cygnus.com> | 1999-10-05 12:18:56 +0000 |
|---|---|---|
| committer | Gavin Romig-Koch <gavin@gcc.gnu.org> | 1999-10-05 12:18:56 +0000 |
| commit | b81fdb5a14398ef5f9a1a2e7a1d93ac6878854b4 (patch) | |
| tree | 15ad42b9f02c1cc8bfa5bc887e1a373ffd32c466 /gcc | |
| parent | a99d6b8c08c540fa7da3a71529ff010c0845957d (diff) | |
| download | gcc-b81fdb5a14398ef5f9a1a2e7a1d93ac6878854b4.zip gcc-b81fdb5a14398ef5f9a1a2e7a1d93ac6878854b4.tar.gz gcc-b81fdb5a14398ef5f9a1a2e7a1d93ac6878854b4.tar.bz2 | |
mips.c (mips_move_2words): Split doubles if ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
* config/mips/mips.c (mips_move_2words): Split doubles if ISA >= 3,
!TARGET_64BIT, and destination is not an FP register.
Co-Authored-By: Jonathan Larmour <jlarmour@cygnus.co.uk>
From-SVN: r29824
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 12 |
2 files changed, 17 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c94f985..5f257ccf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com> + Jonathan Larmour <jlarmour@cygnus.co.uk> + + * config/mips/mips.c (mips_move_2words): Split doubles if + ISA >= 3, !TARGET_64BIT, and destination is not an FP register. + Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com> * genrecog.c (struct decision_test): New. diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index f24452b..b760292 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -2214,7 +2214,17 @@ mips_move_2words (operands, insn) } else #endif - ret = "li.d\t%0,%1"; + /* GNU as emits 64-bit code for li.d if the ISA is 3 + or higher. For !TARGET_64BIT && gp registers we + need to avoid this by using two li instructions + instead. */ + if (mips_isa >= 3 && !TARGET_64BIT && !FP_REG_P (regno0)) + { + split_double (op1, operands + 2, operands + 3); + ret = "li\t%0,%2\n\tli\t%D0,%3"; + } + else + ret = "li.d\t%0,%1"; } else if (TARGET_64BIT) |