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Simplify moves to and from IND_RC_*
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Now that SUM_RC always has a signed 16-bit constant, it happens that
the various IND_RC_* tokens also have a signed 16-bit constant, so
we no longer need to touch the scratch register.
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@kernigh
kernigh committed Oct 16, 2016
1 parent 7c64dab commit 5b5f774
Showing 1 changed file with 31 additions and 97 deletions.
128 changes: 31 additions & 97 deletions mach/powerpc/ncg/table
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Original file line number Diff line number Diff line change
Expand Up @@ -424,75 +424,39 @@ MOVES

/* Read/write byte */

from IND_RC_B smalls(%off) to GPR
gen
COMMENT("move IND_RC_B->GPR small")
lbz %2, {GPRINDIRECT, %1.reg, %1.off}

from IND_RC_B to GPR
gen
COMMENT("move IND_RC_B->GPR large")
addis RSCRATCH, %1.reg, {CONST, his(%1.off)}
lbz %2, {GPRINDIRECT, RSCRATCH, los(%1.off)}

from GPR to IND_RC_B smalls(%off)
gen
COMMENT("move GPR->IND_RC_B small")
stb %1, {GPRINDIRECT, %2.reg, %2.off}

COMMENT("move IND_RC_B->GPR")
lbz %2, {GPRINDIRECT, %1.reg, %1.off}

from GPR to IND_RC_B
gen
COMMENT("move GPR->IND_RC_B large")
addis RSCRATCH, %2.reg, {CONST, his(%2.off)}
stb %1, {GPRINDIRECT, RSCRATCH, los(%2.off)}

/* Read/write short */
COMMENT("move GPR->IND_RC_B")
stb %1, {GPRINDIRECT, %2.reg, %2.off}

/* Read/write halfword (short) */

from IND_RC_H smalls(%off) to GPR
gen
COMMENT("move IND_RC_H->GPR small")
lhz %2, {GPRINDIRECT, %1.reg, %1.off}

from IND_RC_H to GPR
gen
COMMENT("move IND_RC_H->GPR large")
addis RSCRATCH, %1.reg, {CONST, his(%1.off)}
lhz %2, {GPRINDIRECT, RSCRATCH, los(%1.off)}

from IND_RC_H_S smalls(%off) to GPR
gen
COMMENT("move IND_RC_H_S->GPR small")
lha %2, {GPRINDIRECT, %1.reg, %1.off}

COMMENT("move IND_RC_H->GPR")
lhz %2, {GPRINDIRECT, %1.reg, %1.off}

from IND_RC_H_S to GPR
gen
COMMENT("move IND_RC_H_S->GPR large")
addis RSCRATCH, %1.reg, {CONST, his(%1.off)}
lha %2, {GPRINDIRECT, RSCRATCH, los(%1.off)}

from GPR to IND_RC_H smalls(%off)
gen
COMMENT("move GPR->IND_RC_H small")
sth %1, {GPRINDIRECT, %2.reg, %2.off}

COMMENT("move IND_RC_H_S->GPR")
lha %2, {GPRINDIRECT, %1.reg, %1.off}

from GPR to IND_RC_H
gen
COMMENT("move GPR->IND_RC_H large")
addis RSCRATCH, %2.reg, {CONST, his(%2.off)}
sth %1, {GPRINDIRECT, RSCRATCH, los(%2.off)}

COMMENT("move GPR->IND_RC_H")
sth %1, {GPRINDIRECT, %2.reg, %2.off}

/* Read word */

from IND_RC_W smalls(%off) to GPR
gen
COMMENT("move IND_RC_W->GPR small")
lwz %2, {GPRINDIRECT, %1.reg, %1.off}

from IND_RC_W to GPR
gen
COMMENT("move IND_RC_W->GPR large")
addis %2, %1.reg, {CONST, his(%1.off)}
lwz %2, {GPRINDIRECT, %2, los(%1.off)}
COMMENT("move IND_RC_W->GPR")
lwz %2, {GPRINDIRECT, %1.reg, %1.off}

from IND_RR_W to GPR
gen
Expand All @@ -504,17 +468,11 @@ MOVES
COMMENT("move IND_LABEL_W->GPR")
move {LABEL, %1.adr}, RSCRATCH
lwz %2, {GPRINDIRECT, RSCRATCH, 0}

from IND_RC_W smalls(%off) to FSREG
gen
COMMENT("move IND_RC_W->FSREG small")
lfs %2, {GPRINDIRECT, %1.reg, %1.off}


from IND_RC_W to FSREG
gen
COMMENT("move IND_RC_W->FSREG large")
addis RSCRATCH, %1.reg, {CONST, his(%1.off)}
lfs %2, {GPRINDIRECT, RSCRATCH, los(%1.off)}
COMMENT("move IND_RC_W->FSREG")
lfs %2, {GPRINDIRECT, %1.reg, %1.off}

from IND_RR_W to FSREG
gen
Expand All @@ -529,16 +487,10 @@ MOVES

/* Write word */

from GPR to IND_RC_W smalls(%off)
gen
COMMENT("move GPR->IND_RC_W small")
stw %1, {GPRINDIRECT, %2.reg, %2.off}

from GPR to IND_RC_W
gen
COMMENT("move GPR->IND_RC_W large")
addis RSCRATCH, %2.reg, {CONST, his(%2.off)}
stw %1, {GPRINDIRECT, RSCRATCH, los(%2.off)}
COMMENT("move GPR->IND_RC_W")
stw %1, {GPRINDIRECT, %2.reg, %2.off}

from GPR to IND_RR_W
gen
Expand All @@ -550,17 +502,11 @@ MOVES
COMMENT("move GPR->IND_LABEL_D")
move {LABEL, %2.adr}, RSCRATCH
stw %1, {GPRINDIRECT, RSCRATCH, 0}

from FSREG to IND_RC_W smalls(%off)
gen
COMMENT("move FSREG->IND_RC_W small")
stfs %1, {GPRINDIRECT, %2.reg, %2.off}


from FSREG to IND_RC_W
gen
COMMENT("move FSREG->IND_RC_W large")
addis RSCRATCH, %2.reg, {CONST, his(%2.off)}
stfs %1, {GPRINDIRECT, RSCRATCH, los(%2.off)}
COMMENT("move FSREG->IND_RC_W")
stfs %1, {GPRINDIRECT, %2.reg, %2.off}

from FSREG to IND_RR_W
gen
Expand All @@ -575,17 +521,11 @@ MOVES

/* Read double */

from IND_RC_D smalls(%off) to FPR
gen
COMMENT("move IND_RC_D->FPR small")
lfd %2, {GPRINDIRECT, %1.reg, %1.off}

from IND_RC_D to FPR
gen
COMMENT("move IND_RC_D->FPR large")
addis RSCRATCH, %1.reg, {CONST, his(%1.off)}
lfd %2, {GPRINDIRECT, RSCRATCH, los(%1.off)}

COMMENT("move IND_RC_D->FPR")
lfd %2, {GPRINDIRECT, %1.reg, %1.off}

from IND_RR_D to FPR
gen
COMMENT("move IND_RR_D->FPR")
Expand All @@ -599,16 +539,10 @@ MOVES

/* Write double */

from FPR to IND_RC_D smalls(%off)
gen
COMMENT("move FPR->IND_RC_D small")
stfd %1, {GPRINDIRECT, %2.reg, %2.off}

from FPR to IND_RC_D
gen
COMMENT("move FPR->IND_RC_D large")
addis RSCRATCH, %2.reg, {CONST, his(%2.off)}
stfd %1, {GPRINDIRECT, RSCRATCH, los(%2.off)}
COMMENT("move FPR->IND_RC_D")
stfd %1, {GPRINDIRECT, %2.reg, %2.off}

from FPR to IND_RR_D
gen
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