diff options
| author | John van Groningen | 2003-07-07 09:40:42 +0000 |
|---|---|---|
| committer | John van Groningen | 2003-07-07 09:40:42 +0000 |
| commit | 5ee3776a9a52bda4b242f1fe0ee69361fd9e0d19 (patch) | |
| tree | e554e5ba25365fa17394e60dbec18769cdff5593 /cgiwas.c | |
| parent | add SEPARATE_A_AND_B_STACK_OVERFLOW_CHECKS #define (diff) | |
fix bug in floating point subtract and divide
Diffstat (limited to 'cgiwas.c')
| -rw-r--r-- | cgiwas.c | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -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 |