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Fall back to interpreter version of FADD if x87 rounding mode is not nearest. Fixes software rendering in Battlezone.

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SarahW 2019-05-11 11:45:08 +01:00
commit 451e80a333
1 changed files with 2 additions and 0 deletions
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src/codegen_ops_fpu_arith.c
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@ -274,6 +274,8 @@ uint32_t ropFADD ## name(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint
{ \ { \
x86seg *target_seg; \ x86seg *target_seg; \
\ \
if ((cpu_state.npxc >> 10) & 3) \
return 0; \
uop_FP_ENTER(ir); \ uop_FP_ENTER(ir); \
uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); \ uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); \
op_pc--; \ op_pc--; \