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| author | Alexandre Oliva <aoliva@redhat.com> | 2000-08-18 19:10:43 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2000-08-18 19:10:43 +0000 |
| commit | 8845e874be1450fffd6001235dc03039c9599db5 (patch) | |
| tree | 79b5fd69dc7e93aa8817cbd7e08db822eff4d47b /gcc | |
| parent | a1c1fdd010f9cc7207d35b8c1726487f72b92558 (diff) | |
| download | gcc-8845e874be1450fffd6001235dc03039c9599db5.zip gcc-8845e874be1450fffd6001235dc03039c9599db5.tar.gz gcc-8845e874be1450fffd6001235dc03039c9599db5.tar.bz2 | |
sh.md (fpu_switch0, [...]): Simplify.
* config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
* config/sh/sh.c (fpscr_set_from_mem): Use them.
From-SVN: r35792
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 22 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 22 |
3 files changed, 17 insertions, 32 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2dae4b4..0a5cb03 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Fri Aug 18 16:01:18 2000 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify. + * config/sh/sh.c (fpscr_set_from_mem): Use them. + Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * regmove.c (perhaps_ends_bb_p): New function. diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 99bb71a..3eeb183 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -5106,28 +5106,10 @@ fpscr_set_from_mem (mode, regs_live) HARD_REG_SET regs_live; { enum attr_fp_mode fp_mode = mode; - rtx i; - rtx sym; rtx addr_reg = get_free_reg (regs_live); - sym = gen_rtx_SYMBOL_REF (SImode, "__fpscr_values"); - i = gen_rtx_SET (VOIDmode, addr_reg, sym); - emit_insn (i); - if (fp_mode == (TARGET_FPU_SINGLE ? FP_MODE_SINGLE : FP_MODE_DOUBLE)) - { - rtx r = addr_reg; - addr_reg = get_free_reg (regs_live); - i = gen_rtx_SET (VOIDmode, addr_reg, - gen_rtx_PLUS (Pmode, r, GEN_INT (4))); - emit_insn (i); - } - - i = gen_rtx_SET (VOIDmode, - get_fpscr_rtx (), - gen_rtx_MEM (PSImode, gen_rtx_POST_INC (Pmode, addr_reg))); - i = emit_insn (i); - REG_NOTES (i) = gen_rtx_EXPR_LIST (REG_DEAD, addr_reg, REG_NOTES (i)); - REG_NOTES (i) = gen_rtx_EXPR_LIST (REG_INC, addr_reg, REG_NOTES (i)); + emit_insn ((fp_mode == (TARGET_FPU_SINGLE ? FP_MODE_SINGLE : FP_MODE_DOUBLE) + ? gen_fpu_switch1 : gen_fpu_switch0) (addr_reg)); } /* Is the given character a logical line separator for the assembler? */ diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index 1e35497..8702114 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -3884,27 +3884,25 @@ ;; ??? All patterns should have a type attribute. (define_expand "fpu_switch0" - [(set (match_operand:SI 0 "" "") (symbol_ref "__fpscr_values")) - (set (match_dup 2) (match_dup 1))] + [(set (match_operand:SI 0 "" "") (match_dup 2)) + (set (match_dup 1) (mem:PSI (match_dup 0)))] "" " { - operands[1] = gen_rtx (MEM, PSImode, operands[0]); - RTX_UNCHANGING_P (operands[1]) = 1; - operands[2] = get_fpscr_rtx (); + operands[1] = get_fpscr_rtx (); + operands[2] = gen_rtx_SYMBOL_REF (SImode, \"__fpscr_values\"); }") (define_expand "fpu_switch1" - [(set (match_operand:SI 0 "" "") (symbol_ref "__fpscr_values")) - (set (match_dup 1) (plus:SI (match_dup 0) (const_int 4))) - (set (match_dup 3) (match_dup 2))] + [(set (match_operand:SI 0 "" "") (match_dup 2)) + (set (match_dup 3) (plus:SI (match_dup 0) (const_int 4))) + (set (match_dup 1) (mem:PSI (match_dup 3)))] "" " { - operands[1] = gen_reg_rtx (SImode); - operands[2] = gen_rtx (MEM, PSImode, operands[1]); - RTX_UNCHANGING_P (operands[2]) = 1; - operands[3] = get_fpscr_rtx (); + operands[1] = get_fpscr_rtx (); + operands[2] = gen_rtx_SYMBOL_REF (SImode, \"__fpscr_values\"); + operands[3] = no_new_pseudos ? operands[0] : gen_reg_rtx (SImode); }") (define_expand "movpsi" |