summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--cgias.c17
-rw-r--r--cgiwas.c11
2 files changed, 15 insertions, 13 deletions
diff --git a/cgias.c b/cgias.c
index ac6c7a5..2c674e4 100644
--- a/cgias.c
+++ b/cgias.c
@@ -2638,6 +2638,7 @@ static void as_f_i (int code1,int code2,DOUBLE *r_p)
}
#ifdef FP_STACK_OPTIMIZATIONS
+#define FP_REVERSE_SUB_DIV_OPERANDS 1
#define FP_REG_ON_TOP 2
#define FP_REG_LAST_USE 4
@@ -2749,7 +2750,7 @@ int next_instruction_is_fld_reg (int reg0,struct instruction *instruction)
next2_fp_instruction->instruction_parameters[0].parameter_flags=flags2;
if (next2_fp_instruction->instruction_icode==IFSUB || next2_fp_instruction->instruction_icode==IFDIV)
- next_fp_instruction->instruction_parameters[1].parameter_flags ^= 1;
+ next2_fp_instruction->instruction_parameters[1].parameter_flags ^= FP_REVERSE_SUB_DIV_OPERANDS;
if (!(flags1 & FP_REG_LAST_USE))
return 1;
@@ -2861,7 +2862,7 @@ static void fstpl_instruction (int reg0,struct instruction *instruction)
next2_fp_instruction->instruction_parameters[0].parameter_flags=flags2;
if (next2_fp_instruction->instruction_icode==IFSUB || next2_fp_instruction->instruction_icode==IFDIV)
- next_fp_instruction->instruction_parameters[1].parameter_flags ^= 1;
+ next2_fp_instruction->instruction_parameters[1].parameter_flags ^= FP_REVERSE_SUB_DIV_OPERANDS;
if (!(flags1 & FP_REG_LAST_USE))
as_f_r (0xdd,0xd0,reg0+1); /* fst reg0+1 */
@@ -2952,7 +2953,7 @@ static struct instruction *as_fmove_instruction (struct instruction *instruction
break;
case IFSUB:
#ifdef FSUB_FDIV_REVERSED
- if (next_instruction->instruction_parameters[1].parameter_flags & 1)
+ if (next_instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
code2=0xe8;
else
#endif
@@ -2963,7 +2964,7 @@ static struct instruction *as_fmove_instruction (struct instruction *instruction
break;
case IFDIV:
#ifdef FSUB_FDIV_REVERSED
- if (next_instruction->instruction_parameters[1].parameter_flags & 1)
+ if (next_instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
code2=0xf8;
else
#endif
@@ -2981,7 +2982,7 @@ static struct instruction *as_fmove_instruction (struct instruction *instruction
break;
case IFSUB:
#ifdef FSUB_FDIV_REVERSED
- if (next_instruction->instruction_parameters[1].parameter_flags & 1)
+ if (next_instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
code2=5;
else
#endif
@@ -2992,7 +2993,7 @@ static struct instruction *as_fmove_instruction (struct instruction *instruction
break;
case IFDIV:
#ifdef FSUB_FDIV_REVERSED
- if (next_instruction->instruction_parameters[1].parameter_flags & 1)
+ if (next_instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
code2=7;
else
#endif
@@ -3839,7 +3840,7 @@ static void as_instructions (struct instruction *instruction)
break;
case IFSUB:
#ifdef FSUB_FDIV_REVERSED
- if (instruction->instruction_parameters[1].parameter_flags & 1)
+ if (instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
as_dyadic_float_instruction (instruction,5,0xe8,0xe0); /*fsubrl fsubr fsubp*/
else
#endif
@@ -3850,7 +3851,7 @@ static void as_instructions (struct instruction *instruction)
break;
case IFDIV:
#ifdef FSUB_FDIV_REVERSED
- if (instruction->instruction_parameters[1].parameter_flags & 1)
+ if (instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
as_dyadic_float_instruction (instruction,7,0xf8,0xf0); /*fdivrl fdivr fdivp*/
else
#endif
diff --git a/cgiwas.c b/cgiwas.c
index 16165a5..98c7e14 100644
--- a/cgiwas.c
+++ b/cgiwas.c
@@ -2196,6 +2196,7 @@ static void w_as_opcode_parameter_newline (char *opcode,struct parameter *parame
}
#ifdef FP_STACK_OPTIMIZATIONS
+#define FP_REVERSE_SUB_DIV_OPERANDS 1
#define FP_REG_ON_TOP 2
#define FP_REG_LAST_USE 4
@@ -2302,7 +2303,7 @@ static void fstpl_instruction (int reg0,struct instruction *instruction)
next2_fp_instruction->instruction_parameters[0].parameter_flags=flags2;
if (next2_fp_instruction->instruction_icode==IFSUB || next2_fp_instruction->instruction_icode==IFDIV)
- next_fp_instruction->instruction_parameters[1].parameter_flags ^= 1;
+ next2_fp_instruction->instruction_parameters[1].parameter_flags ^= FP_REVERSE_SUB_DIV_OPERANDS;
if (!(flags1 & FP_REG_LAST_USE)){
w_as_opcode (intel_asm ? "fst" : "fstl");
@@ -2641,7 +2642,7 @@ static struct instruction *w_as_fmove_instruction (struct instruction *instructi
break;
case IFSUB:
# ifdef FSUB_FDIV_REVERSED
- if (next_instruction->instruction_parameters[1].parameter_flags & 1)
+ if (next_instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
opcode="fsubr";
else
# endif
@@ -2652,7 +2653,7 @@ static struct instruction *w_as_fmove_instruction (struct instruction *instructi
break;
case IFDIV:
# ifdef FSUB_FDIV_REVERSED
- if (next_instruction->instruction_parameters[1].parameter_flags & 1)
+ if (next_instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
opcode="fdivr";
else
# endif
@@ -3028,7 +3029,7 @@ static void w_as_instructions (register struct instruction *instruction)
break;
case IFSUB:
# ifdef FSUB_FDIV_REVERSED
- if (instruction->instruction_parameters[1].parameter_flags & 1)
+ if (instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
w_as_dyadic_float_instruction (instruction,"fsubr","fsub");
else
# endif
@@ -3039,7 +3040,7 @@ static void w_as_instructions (register struct instruction *instruction)
break;
case IFDIV:
# ifdef FSUB_FDIV_REVERSED
- if (instruction->instruction_parameters[1].parameter_flags & 1)
+ if (instruction->instruction_parameters[1].parameter_flags & FP_REVERSE_SUB_DIV_OPERANDS)
w_as_dyadic_float_instruction (instruction,"fdivr","fdiv");
else
# endif
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-14 14:55:51 +0000