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GCC Bugzilla – Attachment 43338 Details for
Bug 84209
[avr] Don't split SP in split2
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[patch]
Proposed patch against v7
pr84209.diff (text/plain), 948 bytes, created by
Georg-Johann Lay
on 2018-02-05 11:51:14 UTC
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Description:
Proposed patch against v7
Filename:
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Creator:
Georg-Johann Lay
Created:
2018-02-05 11:51:14 UTC
Size:
948 bytes
patch
obsolete
>Index: config/avr/avr.h >=================================================================== >--- config/avr/avr.h (revision 257384) >+++ config/avr/avr.h (working copy) >@@ -153,6 +153,9 @@ These two properties are reflected by bu > > #define FIRST_PSEUDO_REGISTER 36 > >+#define GENERAL_REGNO_P(N) IN_RANGE (N, 2, 31) >+#define GENERAL_REG_P(X) (REG_P (X) && GENERAL_REGNO_P (REGNO (X))) >+ > #define FIXED_REGISTERS {\ > 1,1,/* r0 r1 */\ > 0,0,/* r2 r3 */\ >Index: config/avr/avr.md >=================================================================== >--- config/avr/avr.md (revision 257384) >+++ config/avr/avr.md (working copy) >@@ -3362,6 +3362,8 @@ (define_split > (match_operand:HI 1 "reg_or_0_operand"))] > "optimize > && reload_completed >+ && GENERAL_REG_P (operands[0]) >+ && (operands[1] == const0_rtx || GENERAL_REG_P (operands[1])) > && (!AVR_HAVE_MOVW > || const0_rtx == operands[1])" > [(set (match_dup 2) (match_dup 3))
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bug 84209
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