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[Bug inline-asm/37018] compiling inline assembly for ia32 produces ia64 registers
- From: "schwab at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Aug 2008 08:28:03 -0000
- Subject: [Bug inline-asm/37018] compiling inline assembly for ia32 produces ia64 registers
- References: <bug-37018-16559@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from schwab at suse dot de 2008-08-04 08:28 -------
Both "Q" and "q" are correct when trying to use the low part of a register.
Only if the asm insn is using the high part you must use "Q". It is the
modifier (%b or %h) that chooses between low and high part.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37018