Commit a6096a27 by Richard Kenner

(beq0_di, bne0_di, bge0_di, blt0_di): Use cmpw #0 instead of tstl when

testing address registers on the 68000.

From-SVN: r13728
parent 0b364e61
...@@ -5452,10 +5452,21 @@ ...@@ -5452,10 +5452,21 @@
return \"move%.l %0,%2\;or%.l %3,%2\;jeq %l1\"; return \"move%.l %0,%2\;or%.l %3,%2\;jeq %l1\";
#endif #endif
operands[4] = gen_label_rtx(); operands[4] = gen_label_rtx();
if (TARGET_68020 || TARGET_5200)
#ifdef MOTOROLA
output_asm_insn (\"tst%.l %0\;jbne %l4\;tst%.l %3\;jbeq %l1\", operands);
#else
output_asm_insn (\"tst%.l %0\;jne %l4\;tst%.l %3\;jeq %l1\", operands);
#endif
else
#ifdef MOTOROLA #ifdef MOTOROLA
output_asm_insn (\"tst%.l %0\;jbne %l4\;tst%.l %3\;jbeq %l1\", operands); #ifdef SGS_CMP_ORDER
output_asm_insn (\"cmp%.w %0,%#0\;jbne %l4\;cmp%.w %3,%#0\;jbeq %l1\", operands);
#else
output_asm_insn (\"cmp%.w %#0,%0\;jbne %l4\;cmp%.w %#0,%3\;jbeq %l1\", operands);
#endif
#else #else
output_asm_insn (\"tst%.l %0\;jne %l4\;tst%.l %3\;jeq %l1\", operands); output_asm_insn (\"cmp%.w %#0,%0\;jne %l4\;cmp%.w %#0,%3\;jeq %l1\", operands);
#endif #endif
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\",
CODE_LABEL_NUMBER (operands[4])); CODE_LABEL_NUMBER (operands[4]));
...@@ -5489,7 +5500,13 @@ ...@@ -5489,7 +5500,13 @@
operands[3] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1); operands[3] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
else else
operands[3] = adj_offsettable_operand (operands[0], 4); operands[3] = adj_offsettable_operand (operands[0], 4);
if (ADDRESS_REG_P (operands[0])) if (!ADDRESS_REG_P (operands[0]))
#ifdef MOTOROLA
return \"move%.l %0,%2\;or%.l %3,%2\;jbne %l1\";
#else
return \"move%.l %0,%2\;or%.l %3,%2\;jne %l1\";
#endif
if (TARGET_68020 || TARGET_5200)
#ifdef MOTOROLA #ifdef MOTOROLA
return \"tst%.l %0\;jbne %l1\;tst%.l %3\;jbne %l1\"; return \"tst%.l %0\;jbne %l1\;tst%.l %3\;jbne %l1\";
#else #else
...@@ -5497,9 +5514,13 @@ ...@@ -5497,9 +5514,13 @@
#endif #endif
else else
#ifdef MOTOROLA #ifdef MOTOROLA
return \"move%.l %0,%2\;or%.l %3,%2\;jbne %l1\"; #ifdef SGS_CMP_ORDER
return \"cmp%.w %#0,%0\;jbne %l1\;cmp%.w %#0,%3\;jbne %l1\";
#else #else
return \"move%.l %0,%2\;or%.l %3,%2\;jne %l1\"; return \"cmp%.w %0,%#0\;jbne %l1\;cmp%.w %3,%#0\;jbne %l1\";
#endif
#else
return \"cmp%.w %#0,%0\;jne %l1\;cmp%.w %#0,%3\;jne %l1\";
#endif #endif
} ") } ")
...@@ -5536,10 +5557,20 @@ ...@@ -5536,10 +5557,20 @@
} }
} }
CC_STATUS_INIT; CC_STATUS_INIT;
if (TARGET_68020 || TARGET_5200 || ! ADDRESS_REG_P (operands[0]))
output_asm_insn(\"tst%.l %0\", operands);
else
/* On an address reg, cmpw may replace cmpl. */
#ifdef SGS_CMP_ORDER
output_asm_insn(\"cmp%.w %0,%#0\", operands);
#else
output_asm_insn(\"cmp%.w %#0,%0\", operands);
#endif
#ifdef MOTOROLA #ifdef MOTOROLA
return \"tst%.l %0\;jbpl %l1\"; return \"jbpl %l1\";
#else #else
return \"tst%.l %0\;jpl %l1\"; return \"jpl %l1\";
#endif #endif
} ") } ")
...@@ -5576,10 +5607,20 @@ ...@@ -5576,10 +5607,20 @@
} }
} }
CC_STATUS_INIT; CC_STATUS_INIT;
if (TARGET_68020 || TARGET_5200 || ! ADDRESS_REG_P (operands[0]))
output_asm_insn(\"tst%.l %0\", operands);
else
/* On an address reg, cmpw may replace cmpl. */
#ifdef SGS_CMP_ORDER
output_asm_insn(\"cmp%.w %0,%#0\", operands);
#else
output_asm_insn(\"cmp%.w %#0,%0\", operands);
#endif
#ifdef MOTOROLA #ifdef MOTOROLA
return \"tst%.l %0\;jbmi %l1\"; return \"jbmi %l1\";
#else #else
return \"tst%.l %0\;jmi %l1\"; return \"jmi %l1\";
#endif #endif
} ") } ")
......
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