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Generate shorter code for ret 4 and ret 8.

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This commit is contained in:
George Koehler 2017-12-22 20:37:39 -05:00
parent 5867ca2f2c
commit f96f918a29
1 changed files with 13 additions and 2 deletions
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13
mach/powerpc/ncg/table
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@ -2108,11 +2108,22 @@ PATTERNS
pat ret $1==4 /* Return from procedure, word */
with REG3
leaving ret 0
with STACK
gen lwz r3, {IND_RC_W, sp, 0}
leaving ret 0
pat ret $1==8 /* Return from proc, double-word */
with REG3 REG
with REG3 INT_W
gen move %2, r4
leaving ret 0
with REG3 STACK
gen lwz r4, {IND_RC_W, sp, 0}
leaving ret 0
with STACK
gen
lwz r3, {IND_RC_W, sp, 0}
lwz r4, {IND_RC_W, sp, 4}
leaving ret 0
/*
* These rules for blm/bls are wrong if length is zero.