Commit a8000cb4 authored by Richard Henderson's avatar Richard Henderson
Browse files

target/openrisc: Optimize l.jal to next 



This allows the tcg optimizer to see, and fold, all of the
constants involved in a GOT base register load sequence.

Reviewed-by: default avatarPhilippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
parent 762e22ed

target/openrisc/translate.c

+5 −1
Original line number Diff line number Diff line
@@ -198,7 +198,11 @@ static void gen_jump(DisasContext *dc, int32_t n26, uint32_t reg, uint32_t op0) 
        tcg_gen_movi_tl(jmp_pc, tmp_pc);

        break;

    case 0x01:     /* l.jal */

        tcg_gen_movi_tl(cpu_R[9], (dc->pc + 8));

        tcg_gen_movi_tl(cpu_R[9], dc->pc + 8);

        /* Optimize jal being used to load the PC for PIC.  */

        if (tmp_pc == dc->pc + 8) {

            return;

        }

        tcg_gen_movi_tl(jmp_pc, tmp_pc);

        break;

    case 0x03:     /* l.bnf */