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| author | Richard Stallman <rms@gnu.org> | 1992-03-15 21:41:07 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-03-15 21:41:07 +0000 |
| commit | c1472fcdf05fdd38c413ae58c8af394608d3d704 (patch) | |
| tree | c183c0fed3ead29c7087a01c9955b126674f2131 /gcc | |
| parent | 2b5044e0e664411ce98e5bca4c310885304893f8 (diff) | |
| download | gcc-c1472fcdf05fdd38c413ae58c8af394608d3d704.zip gcc-c1472fcdf05fdd38c413ae58c8af394608d3d704.tar.gz gcc-c1472fcdf05fdd38c413ae58c8af394608d3d704.tar.bz2 | |
*** empty log message ***
From-SVN: r494
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/sparc/sparc.md | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md index 20cfca8..c43cdb2 100644 --- a/gcc/config/sparc/sparc.md +++ b/gcc/config/sparc/sparc.md @@ -975,9 +975,12 @@ "" " { - if (GET_CODE (operands[2]) == CONST_INT - && GET_CODE (operands[3]) == CONST_INT - && INTVAL (operands[2]) / INTVAL (operands[3]) > 32) + /* If the size isn't known, don't emit inline code. output_block_move + would output code that's much slower than the library function. + Also don't output code for large blocks. */ + if (GET_CODE (operands[2]) != CONST_INT + || GET_CODE (operands[3]) != CONST_INT + || INTVAL (operands[2]) / INTVAL (operands[3]) > 16) FAIL; operands[0] = copy_to_mode_reg (Pmode, XEXP (operands[0], 0)); @@ -1414,8 +1417,8 @@ { rtx op2 = operands[2]; - /* If constant is positive, upper bits zeroed, otherwise unchanged - * give the assembler a chance to pick the move instruction. */ + /* If constant is positive, upper bits zeroed, otherwise unchanged. + Give the assembler a chance to pick the move instruction. */ if (GET_CODE (op2) == CONST_INT) { int sign = INTVAL (op2); @@ -1472,8 +1475,8 @@ { rtx op2 = operands[2]; - /* If constant is positive, upper bits zeroed, otherwise unchanged - /* If constant is positive, upper bits zeroed, otherwise unchanged + /* If constant is positive, upper bits zeroed, otherwise unchanged. + Give the assembler a chance to pick the move instruction. */ if (GET_CODE (op2) == CONST_INT) { int sign = INTVAL (op2); @@ -1540,8 +1543,8 @@ { rtx op2 = operands[2]; - /* If constant is positive, upper bits zeroed, otherwise unchanged - * give the assembler a chance to pick the move instruction. */ + /* If constant is positive, upper bits zeroed, otherwise unchanged. + Give the assembler a chance to pick the move instruction. */ if (GET_CODE (op2) == CONST_INT) { int sign = INTVAL (op2); @@ -1600,8 +1603,8 @@ { rtx op2 = operands[2]; - /* If constant is positive, upper bits zeroed, otherwise unchanged - * give the assembler a chance to pick the move instruction. */ + /* If constant is positive, upper bits zeroed, otherwise unchanged. + Give the assembler a chance to pick the move instruction. */ if (GET_CODE (op2) == CONST_INT) { int sign = INTVAL (op2); @@ -1660,8 +1663,8 @@ { rtx op2 = operands[2]; - /* If constant is postive, upper bits zeroed, otherwise unchanged - * give the assembler a chance to pick the move instruction. */ + /* If constant is postive, upper bits zeroed, otherwise unchanged. + Give the assembler a chance to pick the move instruction. */ if (GET_CODE (op2) == CONST_INT) { int sign = INTVAL (op2); |