diff options
| author | Mike Pall <mike> | 2016-02-10 18:51:02 +0100 |
|---|---|---|
| committer | Mike Pall <mike> | 2016-02-10 18:51:02 +0100 |
| commit | a44388967763d0f7f5f78dfd71703437afa69fc0 (patch) | |
| tree | e8ae572e8b2c446c669190ba9cac1592a345c669 | |
| parent | 3d4c9f96391b38fc02536bd4147545f08ae7c1e9 (diff) | |
| download | luajit2-a44388967763d0f7f5f78dfd71703437afa69fc0.tar.gz | |
Don't allocate unused 2nd result register in JIT compiler backend.
| -rw-r--r-- | src/lj_asm_arm.h | 2 | ||||
| -rw-r--r-- | src/lj_asm_mips.h | 2 | ||||
| -rw-r--r-- | src/lj_asm_ppc.h | 2 | ||||
| -rw-r--r-- | src/lj_asm_x86.h | 2 |
4 files changed, 4 insertions, 4 deletions
diff --git a/src/lj_asm_arm.h b/src/lj_asm_arm.h index 9e4cf436..ba65f45b 100644 --- a/src/lj_asm_arm.h +++ b/src/lj_asm_arm.h @@ -426,7 +426,7 @@ static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci) { RegSet drop = RSET_SCRATCH; - int hiop = ((ir+1)->o == IR_HIOP); + int hiop = ((ir+1)->o == IR_HIOP && !irt_isnil((ir+1)->t)); if (ra_hasreg(ir->r)) rset_clear(drop, ir->r); /* Dest reg handled below. */ if (hiop && ra_hasreg((ir+1)->r)) diff --git a/src/lj_asm_mips.h b/src/lj_asm_mips.h index 78bd26d5..8cdd913b 100644 --- a/src/lj_asm_mips.h +++ b/src/lj_asm_mips.h @@ -291,7 +291,7 @@ static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci) { RegSet drop = RSET_SCRATCH; - int hiop = ((ir+1)->o == IR_HIOP); + int hiop = ((ir+1)->o == IR_HIOP && !irt_isnil((ir+1)->t)); if ((ci->flags & CCI_NOFPRCLOBBER)) drop &= ~RSET_FPR; if (ra_hasreg(ir->r)) diff --git a/src/lj_asm_ppc.h b/src/lj_asm_ppc.h index 2c5d74a8..e6129032 100644 --- a/src/lj_asm_ppc.h +++ b/src/lj_asm_ppc.h @@ -298,7 +298,7 @@ static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci) { RegSet drop = RSET_SCRATCH; - int hiop = ((ir+1)->o == IR_HIOP); + int hiop = ((ir+1)->o == IR_HIOP && !irt_isnil((ir+1)->t)); if ((ci->flags & CCI_NOFPRCLOBBER)) drop &= ~RSET_FPR; if (ra_hasreg(ir->r)) diff --git a/src/lj_asm_x86.h b/src/lj_asm_x86.h index 0b6b2d4a..a79be4e6 100644 --- a/src/lj_asm_x86.h +++ b/src/lj_asm_x86.h @@ -531,7 +531,7 @@ static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci) { RegSet drop = RSET_SCRATCH; - int hiop = (LJ_32 && (ir+1)->o == IR_HIOP); + int hiop = (LJ_32 && (ir+1)->o == IR_HIOP && !irt_isnil((ir+1)->t)); if ((ci->flags & CCI_NOFPRCLOBBER)) drop &= ~RSET_FPR; if (ra_hasreg(ir->r)) |