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r241826 - in /trunk/gcc: ChangeLog dwarf2cfi.c ...


Author: jiwang
Date: Thu Nov  3 17:32:03 2016
New Revision: 241826

URL: https://gcc.gnu.org/viewcvs?rev=241826&root=gcc&view=rev
Log:
[DWARF] Enable DW_CFA_VAL_EXPRESSION support

gcc/
	* reg-notes.def (CFA_VAL_EXPRESSION): New entry.
	* dwarf2cfi.c (dwarf2out_frame_debug_cfa_val_expression): New function.
	(dwarf2out_frame_debug): Support REG_CFA_VAL_EXPRESSION.
	(output_cfa_loc): Support DW_CFA_val_expression.
	(output_cfa_loc_raw): Likewise.
	(output_cfi): Likewise.
	(output_cfi_directive): Likewise.
	* dwarf2out.c (dw_cfi_oprnd1_desc): Support DW_CFA_val_expression.
	(dw_cfi_oprnd2_desc): Likewise.
	(mem_loc_descriptor): Recognize new pattern generated for value
	expression.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dwarf2cfi.c
    trunk/gcc/dwarf2out.c
    trunk/gcc/reg-notes.def


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