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MIPS: Fix calls to floor/ceil/trunc.

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This commit is contained in:
Mike Pall 2012-08-19 18:41:34 +02:00
parent f58a84d0bc
commit 2ac083cb5a
2 changed files with 6 additions and 8 deletions
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12
src/lj_asm_mips.h
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@ -364,15 +364,13 @@ static void asm_callid(ASMState *as, IRIns *ir, IRCallID id)
static void asm_callround(ASMState *as, IRIns *ir, IRCallID id)
{
/* The modified regs must match with the *.dasc implementation. */
RegSet drop = RID2RSET(RID_R1)|RID2RSET(RID_R12)|RID2RSET(RID_F2)|
RID2RSET(RID_F4)|RID2RSET(RID_F12)|RID2RSET(RID_F14);
const CCallInfo *ci = &lj_ir_callinfo[id];
IRRef args[2];
args[0] = ir->op1;
args[1] = ir->op2;
RegSet drop = RID2RSET(RID_R1)|RID2RSET(RID_R12)|RID2RSET(RID_FPRET)|
RID2RSET(RID_F2)|RID2RSET(RID_F4)|RID2RSET(REGARG_FIRSTFPR);
if (ra_hasreg(ir->r)) rset_clear(drop, ir->r);
ra_evictset(as, drop);
ra_destreg(as, ir, RID_FPRET);
asm_gencall(as, ci, args);
emit_call(as, (void *)lj_ir_callinfo[id].func);
ra_leftov(as, REGARG_FIRSTFPR, ir->op1);
}
/* -- Returns ------------------------------------------------------------- */

2
src/vm_mips.dasc
View File

@ -2154,7 +2154,7 @@ static void build_subroutines(BuildCtx *ctx)
|//-- Math helper functions ----------------------------------------------
|//-----------------------------------------------------------------------
|
|// Modifies AT, TMP0, FRET1, FRET2, f4. Keeps all others incl. FARG1, FARG2.
|// Modifies AT, TMP0, FRET1, FRET2, f4. Keeps all others incl. FARG1.
|.macro vm_round, func
| lui TMP0, 0x4330 // Hiword of 2^52 (double).
| mtc1 r0, f4