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authorRichard Sandiford <rsandifo@gcc.gnu.org>2007-04-24 05:51:57 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2007-04-24 05:51:57 +0000
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2007-xx-xx Chao-ying Fu <fu@mips.com> Richard Sandiford <richard@nildram.co.uk>
gcc/ 2007-xx-xx Chao-ying Fu <fu@mips.com> Richard Sandiford <richard@nildram.co.uk> * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document. * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes. (smadd_widen_optab, umadd_widen_optab): Define. * optabs.c (init_optabs): Initialize smadd_widen_optab and umadd_widen_optab. * genopinit.c (optabs): Fill in smadd_widen_optab and umadd_widen_optab. * expr.c (expand_expr_real_1): Try to use smadd_widen_optab and umadd_widen_optab to implement multiply-add sequences. * config/mips/mips.md (*<su>mul_acc_di): Rename to... (<u>maddsidi4): ...this. Extend condition to include GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint of operand 0 to "ka" and use the three-operand form of madd<u> for TARGET_DSPR2. * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert to define_expands. * config/mips/constraints.md (ka): New register constraint. gcc/testsuite/ 2007-xx-xx Richard Sandiford <richard@nildram.co.uk> * gcc.target/mips/madd-1.c, gcc.target/mips/madd-2.c, * gcc.target/mips/madd-3.c, gcc.target/mips/madd-4.c, * gcc.target/mips/maddu-1.c, gcc.target/mips/maddu-2.c, * gcc.target/mips/maddu-3.c, gcc.target/mips/maddu-4.c: New tests. From-SVN: r124095
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